Home / 331,835,678.70-497,777,432.90-127,363,753.95

Finding the Fourth Proportional to 331,835,678.70, 497,777,432.90 and 127,363,753.95

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Solution

The fourth proportional to 331,835,678.70, 497,777,432.90 and 127,363,753.95 is: 191,054,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,835,678.70 : 497,777,432.90 = 127,363,753.95 : x
  2. Step 2: Convert to fraction form
    331,835,678.70/497,777,432.90 = 127,363,753.95/x
  3. Step 3: Cross multiply
    331,835,678.70x = 497,777,432.90 × 127,363,753.95
  4. Step 4: Simplify right side
    331,835,678.70x = 63,398,802,485,101,416
  5. Step 5: Solve for x
    x = 63,398,802,485,101,416/331,835,678.70
  6. Step 6: Final answer
    x = 191,054,809.82

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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.