Home / 509,012,447,864.92-763,597,124,449.52-173,548,920,644.76

Finding the Fourth Proportional to 509,012,447,864.92, 763,597,124,449.52 and 173,548,920,644.76

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Solution

The fourth proportional to 509,012,447,864.92, 763,597,124,449.52 and 173,548,920,644.76 is: 260,350,129,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,012,447,864.92 : 763,597,124,449.52 = 173,548,920,644.76 : x
  2. Step 2: Convert to fraction form
    509,012,447,864.92/763,597,124,449.52 = 173,548,920,644.76/x
  3. Step 3: Cross multiply
    509,012,447,864.92x = 763,597,124,449.52 × 173,548,920,644.76
  4. Step 4: Simplify right side
    509,012,447,864.92x = 132,521,456,755,656,687,091,712
  5. Step 5: Solve for x
    x = 132,521,456,755,656,687,091,712/509,012,447,864.92
  6. Step 6: Final answer
    x = 260,350,129,572.52

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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.