Home / 363,721,965.32-545,927,872.70-225,128,338.76

Finding the Fourth Proportional to 363,721,965.32, 545,927,872.70 and 225,128,338.76

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Solution

The fourth proportional to 363,721,965.32, 545,927,872.70 and 225,128,338.76 is: 337,906,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,721,965.32 : 545,927,872.70 = 225,128,338.76 : x
  2. Step 2: Convert to fraction form
    363,721,965.32/545,927,872.70 = 225,128,338.76/x
  3. Step 3: Cross multiply
    363,721,965.32x = 545,927,872.70 × 225,128,338.76
  4. Step 4: Simplify right side
    363,721,965.32x = 122,903,835,063,731,760
  5. Step 5: Solve for x
    x = 122,903,835,063,731,760/363,721,965.32
  6. Step 6: Final answer
    x = 337,906,001.79

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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.