Home / 1,472,042,232.40-2,206,187,777.40-782,279,928.40

Finding the Fourth Proportional to 1,472,042,232.40, 2,206,187,777.40 and 782,279,928.40

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Solution

The fourth proportional to 1,472,042,232.40, 2,206,187,777.40 and 782,279,928.40 is: 1,172,423,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,042,232.40 : 2,206,187,777.40 = 782,279,928.40 : x
  2. Step 2: Convert to fraction form
    1,472,042,232.40/2,206,187,777.40 = 782,279,928.40/x
  3. Step 3: Cross multiply
    1,472,042,232.40x = 2,206,187,777.40 × 782,279,928.40
  4. Step 4: Simplify right side
    1,472,042,232.40x = 1,725,856,416,541,427,200
  5. Step 5: Solve for x
    x = 1,725,856,416,541,427,200/1,472,042,232.40
  6. Step 6: Final answer
    x = 1,172,423,167.32

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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.