Home / 667,534,223.45-921,195,748.19-370,169,116.49

Finding the Fourth Proportional to 667,534,223.45, 921,195,748.19 and 370,169,116.49

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Solution

The fourth proportional to 667,534,223.45, 921,195,748.19 and 370,169,116.49 is: 510,832,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,534,223.45 : 921,195,748.19 = 370,169,116.49 : x
  2. Step 2: Convert to fraction form
    667,534,223.45/921,195,748.19 = 370,169,116.49/x
  3. Step 3: Cross multiply
    667,534,223.45x = 921,195,748.19 × 370,169,116.49
  4. Step 4: Simplify right side
    667,534,223.45x = 340,998,216,218,156,288
  5. Step 5: Solve for x
    x = 340,998,216,218,156,288/667,534,223.45
  6. Step 6: Final answer
    x = 510,832,559.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.