Home / 1,472,042,255.40-2,206,187,811.90-782,279,951.40

Finding the Fourth Proportional to 1,472,042,255.40, 2,206,187,811.90 and 782,279,951.40

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Solution

The fourth proportional to 1,472,042,255.40, 2,206,187,811.90 and 782,279,951.40 is: 1,172,423,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,042,255.40 : 2,206,187,811.90 = 782,279,951.40 : x
  2. Step 2: Convert to fraction form
    1,472,042,255.40/2,206,187,811.90 = 782,279,951.40/x
  3. Step 3: Cross multiply
    1,472,042,255.40x = 2,206,187,811.90 × 782,279,951.40
  4. Step 4: Simplify right side
    1,472,042,255.40x = 1,725,856,494,272,404,480
  5. Step 5: Solve for x
    x = 1,725,856,494,272,404,480/1,472,042,255.40
  6. Step 6: Final answer
    x = 1,172,423,201.81

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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.