Home / 1,472,042,246.40-2,206,187,798.40-782,279,942.40

Finding the Fourth Proportional to 1,472,042,246.40, 2,206,187,798.40 and 782,279,942.40

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Solution

The fourth proportional to 1,472,042,246.40, 2,206,187,798.40 and 782,279,942.40 is: 1,172,423,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,042,246.40 : 2,206,187,798.40 = 782,279,942.40 : x
  2. Step 2: Convert to fraction form
    1,472,042,246.40/2,206,187,798.40 = 782,279,942.40/x
  3. Step 3: Cross multiply
    1,472,042,246.40x = 2,206,187,798.40 × 782,279,942.40
  4. Step 4: Simplify right side
    1,472,042,246.40x = 1,725,856,463,855,934,720
  5. Step 5: Solve for x
    x = 1,725,856,463,855,934,720/1,472,042,246.40
  6. Step 6: Final answer
    x = 1,172,423,188.31

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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.