Home / 857,727,847.76-1,287,135,948.24-366,444,818.76

Finding the Fourth Proportional to 857,727,847.76, 1,287,135,948.24 and 366,444,818.76

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Solution

The fourth proportional to 857,727,847.76, 1,287,135,948.24 and 366,444,818.76 is: 549,899,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,727,847.76 : 1,287,135,948.24 = 366,444,818.76 : x
  2. Step 2: Convert to fraction form
    857,727,847.76/1,287,135,948.24 = 366,444,818.76/x
  3. Step 3: Cross multiply
    857,727,847.76x = 1,287,135,948.24 × 366,444,818.76
  4. Step 4: Simplify right side
    857,727,847.76x = 471,664,299,272,287,552
  5. Step 5: Solve for x
    x = 471,664,299,272,287,552/857,727,847.76
  6. Step 6: Final answer
    x = 549,899,715.28

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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.