Home / 649,283,157,734.40-973,924,736,601.60-548,863,766,985.60

Finding the Fourth Proportional to 649,283,157,734.40, 973,924,736,601.60 and 548,863,766,985.60

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Solution

The fourth proportional to 649,283,157,734.40, 973,924,736,601.60 and 548,863,766,985.60 is: 823,295,650,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,283,157,734.40 : 973,924,736,601.60 = 548,863,766,985.60 : x
  2. Step 2: Convert to fraction form
    649,283,157,734.40/973,924,736,601.60 = 548,863,766,985.60/x
  3. Step 3: Cross multiply
    649,283,157,734.40x = 973,924,736,601.60 × 548,863,766,985.60
  4. Step 4: Simplify right side
    649,283,157,734.40x = 534,551,999,691,612,399,599,616
  5. Step 5: Solve for x
    x = 534,551,999,691,612,399,599,616/649,283,157,734.40
  6. Step 6: Final answer
    x = 823,295,650,478.40

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Double scale
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1.5x scale

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.