Home / 629,608,819.59-868,855,316.24-347,363,155.62

Finding the Fourth Proportional to 629,608,819.59, 868,855,316.24 and 347,363,155.62

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Solution

The fourth proportional to 629,608,819.59, 868,855,316.24 and 347,363,155.62 is: 479,358,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,608,819.59 : 868,855,316.24 = 347,363,155.62 : x
  2. Step 2: Convert to fraction form
    629,608,819.59/868,855,316.24 = 347,363,155.62/x
  3. Step 3: Cross multiply
    629,608,819.59x = 868,855,316.24 × 347,363,155.62
  4. Step 4: Simplify right side
    629,608,819.59x = 301,808,324,427,207,808
  5. Step 5: Solve for x
    x = 301,808,324,427,207,808/629,608,819.59
  6. Step 6: Final answer
    x = 479,358,476.31

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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.