Home / 1,156,431,139.86-1,734,646,666.05-338,543,440.86

Finding the Fourth Proportional to 1,156,431,139.86, 1,734,646,666.05 and 338,543,440.86

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Solution

The fourth proportional to 1,156,431,139.86, 1,734,646,666.05 and 338,543,440.86 is: 507,815,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,431,139.86 : 1,734,646,666.05 = 338,543,440.86 : x
  2. Step 2: Convert to fraction form
    1,156,431,139.86/1,734,646,666.05 = 338,543,440.86/x
  3. Step 3: Cross multiply
    1,156,431,139.86x = 1,734,646,666.05 × 338,543,440.86
  4. Step 4: Simplify right side
    1,156,431,139.86x = 587,253,251,000,894,336
  5. Step 5: Solve for x
    x = 587,253,251,000,894,336/1,156,431,139.86
  6. Step 6: Final answer
    x = 507,815,148.49

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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.