Home / 381,609,106.70-572,413,660.06-260,676,754.70

Finding the Fourth Proportional to 381,609,106.70, 572,413,660.06 and 260,676,754.70

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Solution

The fourth proportional to 381,609,106.70, 572,413,660.06 and 260,676,754.70 is: 391,015,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,609,106.70 : 572,413,660.06 = 260,676,754.70 : x
  2. Step 2: Convert to fraction form
    381,609,106.70/572,413,660.06 = 260,676,754.70/x
  3. Step 3: Cross multiply
    381,609,106.70x = 572,413,660.06 × 260,676,754.70
  4. Step 4: Simplify right side
    381,609,106.70x = 149,214,935,250,389,792
  5. Step 5: Solve for x
    x = 149,214,935,250,389,792/381,609,106.70
  6. Step 6: Final answer
    x = 391,015,132.06

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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.