Home / 486,474,957.18-671,327,143.54-263,454,826.64

Finding the Fourth Proportional to 486,474,957.18, 671,327,143.54 and 263,454,826.64

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Solution

The fourth proportional to 486,474,957.18, 671,327,143.54 and 263,454,826.64 is: 363,563,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,474,957.18 : 671,327,143.54 = 263,454,826.64 : x
  2. Step 2: Convert to fraction form
    486,474,957.18/671,327,143.54 = 263,454,826.64/x
  3. Step 3: Cross multiply
    486,474,957.18x = 671,327,143.54 × 263,454,826.64
  4. Step 4: Simplify right side
    486,474,957.18x = 176,864,376,220,057,088
  5. Step 5: Solve for x
    x = 176,864,376,220,057,088/486,474,957.18
  6. Step 6: Final answer
    x = 363,563,167.25

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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.