Home / 653,211,793.20-979,817,689.80-290,414,737.20

Finding the Fourth Proportional to 653,211,793.20, 979,817,689.80 and 290,414,737.20

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Solution

The fourth proportional to 653,211,793.20, 979,817,689.80 and 290,414,737.20 is: 435,622,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,211,793.20 : 979,817,689.80 = 290,414,737.20 : x
  2. Step 2: Convert to fraction form
    653,211,793.20/979,817,689.80 = 290,414,737.20/x
  3. Step 3: Cross multiply
    653,211,793.20x = 979,817,689.80 × 290,414,737.20
  4. Step 4: Simplify right side
    653,211,793.20x = 284,553,496,887,178,080
  5. Step 5: Solve for x
    x = 284,553,496,887,178,080/653,211,793.20
  6. Step 6: Final answer
    x = 435,622,105.80

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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.