Home / 453,305,134.80-679,957,702.20-146,817,205.20

Finding the Fourth Proportional to 453,305,134.80, 679,957,702.20 and 146,817,205.20

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Solution

The fourth proportional to 453,305,134.80, 679,957,702.20 and 146,817,205.20 is: 220,225,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,305,134.80 : 679,957,702.20 = 146,817,205.20 : x
  2. Step 2: Convert to fraction form
    453,305,134.80/679,957,702.20 = 146,817,205.20/x
  3. Step 3: Cross multiply
    453,305,134.80x = 679,957,702.20 × 146,817,205.20
  4. Step 4: Simplify right side
    453,305,134.80x = 99,829,489,491,217,888
  5. Step 5: Solve for x
    x = 99,829,489,491,217,888/453,305,134.80
  6. Step 6: Final answer
    x = 220,225,807.80

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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.