Home / 617,932,432.69-852,747,101.57-339,491,892.35

Finding the Fourth Proportional to 617,932,432.69, 852,747,101.57 and 339,491,892.35

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Solution

The fourth proportional to 617,932,432.69, 852,747,101.57 and 339,491,892.35 is: 468,499,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,932,432.69 : 852,747,101.57 = 339,491,892.35 : x
  2. Step 2: Convert to fraction form
    617,932,432.69/852,747,101.57 = 339,491,892.35/x
  3. Step 3: Cross multiply
    617,932,432.69x = 852,747,101.57 × 339,491,892.35
  4. Step 4: Simplify right side
    617,932,432.69x = 289,500,727,210,957,568
  5. Step 5: Solve for x
    x = 289,500,727,210,957,568/617,932,432.69
  6. Step 6: Final answer
    x = 468,499,000.69

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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.