Home / 1,472,042,516.40-2,206,188,203.40-782,280,212.40

Finding the Fourth Proportional to 1,472,042,516.40, 2,206,188,203.40 and 782,280,212.40

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Solution

The fourth proportional to 1,472,042,516.40, 2,206,188,203.40 and 782,280,212.40 is: 1,172,423,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,042,516.40 : 2,206,188,203.40 = 782,280,212.40 : x
  2. Step 2: Convert to fraction form
    1,472,042,516.40/2,206,188,203.40 = 782,280,212.40/x
  3. Step 3: Cross multiply
    1,472,042,516.40x = 2,206,188,203.40 × 782,280,212.40
  4. Step 4: Simplify right side
    1,472,042,516.40x = 1,725,857,376,350,126,336
  5. Step 5: Solve for x
    x = 1,725,857,376,350,126,336/1,472,042,516.40
  6. Step 6: Final answer
    x = 1,172,423,593.15

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1.5x scale

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.