Home / 667,534,223.82-921,195,748.70-370,169,116.86

Finding the Fourth Proportional to 667,534,223.82, 921,195,748.70 and 370,169,116.86

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Solution

The fourth proportional to 667,534,223.82, 921,195,748.70 and 370,169,116.86 is: 510,832,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,534,223.82 : 921,195,748.70 = 370,169,116.86 : x
  2. Step 2: Convert to fraction form
    667,534,223.82/921,195,748.70 = 370,169,116.86/x
  3. Step 3: Cross multiply
    667,534,223.82x = 921,195,748.70 × 370,169,116.86
  4. Step 4: Simplify right side
    667,534,223.82x = 340,998,216,751,465,536
  5. Step 5: Solve for x
    x = 340,998,216,751,465,536/667,534,223.82
  6. Step 6: Final answer
    x = 510,832,560.46

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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.