Home / 509,012,447,862.90-763,597,124,446.50-173,548,920,642.74

Finding the Fourth Proportional to 509,012,447,862.90, 763,597,124,446.50 and 173,548,920,642.74

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Solution

The fourth proportional to 509,012,447,862.90, 763,597,124,446.50 and 173,548,920,642.74 is: 260,350,129,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,012,447,862.90 : 763,597,124,446.50 = 173,548,920,642.74 : x
  2. Step 2: Convert to fraction form
    509,012,447,862.90/763,597,124,446.50 = 173,548,920,642.74/x
  3. Step 3: Cross multiply
    509,012,447,862.90x = 763,597,124,446.50 × 173,548,920,642.74
  4. Step 4: Simplify right side
    509,012,447,862.90x = 132,521,456,753,590,086,402,048
  5. Step 5: Solve for x
    x = 132,521,456,753,590,086,402,048/509,012,447,862.90
  6. Step 6: Final answer
    x = 260,350,129,569.49

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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.