Home / 516,336,314.50-712,544,128.41-284,549,306.50

Finding the Fourth Proportional to 516,336,314.50, 712,544,128.41 and 284,549,306.50

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Solution

The fourth proportional to 516,336,314.50, 712,544,128.41 and 284,549,306.50 is: 392,678,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,336,314.50 : 712,544,128.41 = 284,549,306.50 : x
  2. Step 2: Convert to fraction form
    516,336,314.50/712,544,128.41 = 284,549,306.50/x
  3. Step 3: Cross multiply
    516,336,314.50x = 712,544,128.41 × 284,549,306.50
  4. Step 4: Simplify right side
    516,336,314.50x = 202,753,937,589,712,448
  5. Step 5: Solve for x
    x = 202,753,937,589,712,448/516,336,314.50
  6. Step 6: Final answer
    x = 392,678,050.91

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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.