Home / 363,218,828.72-501,252,572.28-198,217,026.80

Finding the Fourth Proportional to 363,218,828.72, 501,252,572.28 and 198,217,026.80

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Solution

The fourth proportional to 363,218,828.72, 501,252,572.28 and 198,217,026.80 is: 273,545,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,218,828.72 : 501,252,572.28 = 198,217,026.80 : x
  2. Step 2: Convert to fraction form
    363,218,828.72/501,252,572.28 = 198,217,026.80/x
  3. Step 3: Cross multiply
    363,218,828.72x = 501,252,572.28 × 198,217,026.80
  4. Step 4: Simplify right side
    363,218,828.72x = 99,356,794,553,193,696
  5. Step 5: Solve for x
    x = 99,356,794,553,193,696/363,218,828.72
  6. Step 6: Final answer
    x = 273,545,275.46

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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.