Home / 704,533,565.29-972,229,652.18-391,287,948.25

Finding the Fourth Proportional to 704,533,565.29, 972,229,652.18 and 391,287,948.25

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Solution

The fourth proportional to 704,533,565.29, 972,229,652.18 and 391,287,948.25 is: 539,962,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,533,565.29 : 972,229,652.18 = 391,287,948.25 : x
  2. Step 2: Convert to fraction form
    704,533,565.29/972,229,652.18 = 391,287,948.25/x
  3. Step 3: Cross multiply
    704,533,565.29x = 972,229,652.18 × 391,287,948.25
  4. Step 4: Simplify right side
    704,533,565.29x = 380,421,745,827,366,912
  5. Step 5: Solve for x
    x = 380,421,745,827,366,912/704,533,565.29
  6. Step 6: Final answer
    x = 539,962,557.60

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Double scale
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1.5x scale

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.