Home / 1,026,432,801.70-1,539,649,202.55-481,229,448.10

Finding the Fourth Proportional to 1,026,432,801.70, 1,539,649,202.55 and 481,229,448.10

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Solution

The fourth proportional to 1,026,432,801.70, 1,539,649,202.55 and 481,229,448.10 is: 721,844,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,801.70 : 1,539,649,202.55 = 481,229,448.10 : x
  2. Step 2: Convert to fraction form
    1,026,432,801.70/1,539,649,202.55 = 481,229,448.10/x
  3. Step 3: Cross multiply
    1,026,432,801.70x = 1,539,649,202.55 × 481,229,448.10
  4. Step 4: Simplify right side
    1,026,432,801.70x = 740,924,536,010,741,632
  5. Step 5: Solve for x
    x = 740,924,536,010,741,632/1,026,432,801.70
  6. Step 6: Final answer
    x = 721,844,172.15

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Half scale
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Double scale
Find fourth proportional to 1,026,432,802.70, 1,539,649,204.05 and 481,229,449.10
Similar ratio
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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.