Home / 649,283,157,746.40-973,924,736,619.60-548,863,766,997.60

Finding the Fourth Proportional to 649,283,157,746.40, 973,924,736,619.60 and 548,863,766,997.60

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Solution

The fourth proportional to 649,283,157,746.40, 973,924,736,619.60 and 548,863,766,997.60 is: 823,295,650,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,283,157,746.40 : 973,924,736,619.60 = 548,863,766,997.60 : x
  2. Step 2: Convert to fraction form
    649,283,157,746.40/973,924,736,619.60 = 548,863,766,997.60/x
  3. Step 3: Cross multiply
    649,283,157,746.40x = 973,924,736,619.60 × 548,863,766,997.60
  4. Step 4: Simplify right side
    649,283,157,746.40x = 534,551,999,713,179,041,005,568
  5. Step 5: Solve for x
    x = 534,551,999,713,179,041,005,568/649,283,157,746.40
  6. Step 6: Final answer
    x = 823,295,650,496.40

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Half scale
Find fourth proportional to 1,298,566,315,492.80, 1,947,849,473,239.20 and 1,097,727,533,995.20
Double scale
Find fourth proportional to 649,283,157,747.40, 973,924,736,621.10 and 548,863,766,998.60
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.