Home / 1,472,042,205.90-2,206,187,737.65-782,279,901.90

Finding the Fourth Proportional to 1,472,042,205.90, 2,206,187,737.65 and 782,279,901.90

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Solution

The fourth proportional to 1,472,042,205.90, 2,206,187,737.65 and 782,279,901.90 is: 1,172,423,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,042,205.90 : 2,206,187,737.65 = 782,279,901.90 : x
  2. Step 2: Convert to fraction form
    1,472,042,205.90/2,206,187,737.65 = 782,279,901.90/x
  3. Step 3: Cross multiply
    1,472,042,205.90x = 2,206,187,737.65 × 782,279,901.90
  4. Step 4: Simplify right side
    1,472,042,205.90x = 1,725,856,326,981,825,024
  5. Step 5: Solve for x
    x = 1,725,856,326,981,825,024/1,472,042,205.90
  6. Step 6: Final answer
    x = 1,172,423,127.59

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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.