Home / 612,288,049.20-918,432,073.80-223,981,825.20

Finding the Fourth Proportional to 612,288,049.20, 918,432,073.80 and 223,981,825.20

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Solution

The fourth proportional to 612,288,049.20, 918,432,073.80 and 223,981,825.20 is: 335,972,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,288,049.20 : 918,432,073.80 = 223,981,825.20 : x
  2. Step 2: Convert to fraction form
    612,288,049.20/918,432,073.80 = 223,981,825.20/x
  3. Step 3: Cross multiply
    612,288,049.20x = 918,432,073.80 × 223,981,825.20
  4. Step 4: Simplify right side
    612,288,049.20x = 205,712,092,211,945,088
  5. Step 5: Solve for x
    x = 205,712,092,211,945,088/612,288,049.20
  6. Step 6: Final answer
    x = 335,972,737.80

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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.