Home / 424,214,143.29-636,321,953.04-133,103,606.64

Finding the Fourth Proportional to 424,214,143.29, 636,321,953.04 and 133,103,606.64

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Solution

The fourth proportional to 424,214,143.29, 636,321,953.04 and 133,103,606.64 is: 199,655,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,214,143.29 : 636,321,953.04 = 133,103,606.64 : x
  2. Step 2: Convert to fraction form
    424,214,143.29/636,321,953.04 = 133,103,606.64/x
  3. Step 3: Cross multiply
    424,214,143.29x = 636,321,953.04 × 133,103,606.64
  4. Step 4: Simplify right side
    424,214,143.29x = 84,696,746,933,832,704
  5. Step 5: Solve for x
    x = 84,696,746,933,832,704/424,214,143.29
  6. Step 6: Final answer
    x = 199,655,641.55

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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.