Home / 363,218,826.72-501,252,569.52-198,217,024.80

Finding the Fourth Proportional to 363,218,826.72, 501,252,569.52 and 198,217,024.80

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Solution

The fourth proportional to 363,218,826.72, 501,252,569.52 and 198,217,024.80 is: 273,545,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,218,826.72 : 501,252,569.52 = 198,217,024.80 : x
  2. Step 2: Convert to fraction form
    363,218,826.72/501,252,569.52 = 198,217,024.80/x
  3. Step 3: Cross multiply
    363,218,826.72x = 501,252,569.52 × 198,217,024.80
  4. Step 4: Simplify right side
    363,218,826.72x = 99,356,793,003,609,568
  5. Step 5: Solve for x
    x = 99,356,793,003,609,568/363,218,826.72
  6. Step 6: Final answer
    x = 273,545,272.70

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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.