Home / 744,718,608.90-1,027,711,631.52-431,634,426.12

Finding the Fourth Proportional to 744,718,608.90, 1,027,711,631.52 and 431,634,426.12

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Solution

The fourth proportional to 744,718,608.90, 1,027,711,631.52 and 431,634,426.12 is: 595,655,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,718,608.90 : 1,027,711,631.52 = 431,634,426.12 : x
  2. Step 2: Convert to fraction form
    744,718,608.90/1,027,711,631.52 = 431,634,426.12/x
  3. Step 3: Cross multiply
    744,718,608.90x = 1,027,711,631.52 × 431,634,426.12
  4. Step 4: Simplify right side
    744,718,608.90x = 443,595,720,287,984,128
  5. Step 5: Solve for x
    x = 443,595,720,287,984,128/744,718,608.90
  6. Step 6: Final answer
    x = 595,655,479.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.