Home / 363,218,957.46-501,252,746.85-198,217,155.06

Finding the Fourth Proportional to 363,218,957.46, 501,252,746.85 and 198,217,155.06

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Solution

The fourth proportional to 363,218,957.46, 501,252,746.85 and 198,217,155.06 is: 273,545,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,218,957.46 : 501,252,746.85 = 198,217,155.06 : x
  2. Step 2: Convert to fraction form
    363,218,957.46/501,252,746.85 = 198,217,155.06/x
  3. Step 3: Cross multiply
    363,218,957.46x = 501,252,746.85 × 198,217,155.06
  4. Step 4: Simplify right side
    363,218,957.46x = 99,356,893,446,617,376
  5. Step 5: Solve for x
    x = 99,356,893,446,617,376/363,218,957.46
  6. Step 6: Final answer
    x = 273,545,450.77

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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.