Home / 486,178,564.29-729,383,863.85-158,654,686.77

Finding the Fourth Proportional to 486,178,564.29, 729,383,863.85 and 158,654,686.77

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Solution

The fourth proportional to 486,178,564.29, 729,383,863.85 and 158,654,686.77 is: 238,019,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,178,564.29 : 729,383,863.85 = 158,654,686.77 : x
  2. Step 2: Convert to fraction form
    486,178,564.29/729,383,863.85 = 158,654,686.77/x
  3. Step 3: Cross multiply
    486,178,564.29x = 729,383,863.85 × 158,654,686.77
  4. Step 4: Simplify right side
    486,178,564.29x = 115,720,168,454,015,760
  5. Step 5: Solve for x
    x = 115,720,168,454,015,760/486,178,564.29
  6. Step 6: Final answer
    x = 238,019,890.13

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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.