Home / 381,609,212.20-572,413,818.30-260,676,860.20

Finding the Fourth Proportional to 381,609,212.20, 572,413,818.30 and 260,676,860.20

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Solution

The fourth proportional to 381,609,212.20, 572,413,818.30 and 260,676,860.20 is: 391,015,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,609,212.20 : 572,413,818.30 = 260,676,860.20 : x
  2. Step 2: Convert to fraction form
    381,609,212.20/572,413,818.30 = 260,676,860.20/x
  3. Step 3: Cross multiply
    381,609,212.20x = 572,413,818.30 × 260,676,860.20
  4. Step 4: Simplify right side
    381,609,212.20x = 149,215,036,889,537,280
  5. Step 5: Solve for x
    x = 149,215,036,889,537,280/381,609,212.20
  6. Step 6: Final answer
    x = 391,015,290.30

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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.