Home / 689,172,154.41-951,060,550.91-375,913,097.85

Finding the Fourth Proportional to 689,172,154.41, 951,060,550.91 and 375,913,097.85

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Solution

The fourth proportional to 689,172,154.41, 951,060,550.91 and 375,913,097.85 is: 518,761,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,172,154.41 : 951,060,550.91 = 375,913,097.85 : x
  2. Step 2: Convert to fraction form
    689,172,154.41/951,060,550.91 = 375,913,097.85/x
  3. Step 3: Cross multiply
    689,172,154.41x = 951,060,550.91 × 375,913,097.85
  4. Step 4: Simplify right side
    689,172,154.41x = 357,516,117,933,626,176
  5. Step 5: Solve for x
    x = 357,516,117,933,626,176/689,172,154.41
  6. Step 6: Final answer
    x = 518,761,699.30

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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.