Home / 381,979,511.40-572,969,267.10-381,979,511.40

Finding the Fourth Proportional to 381,979,511.40, 572,969,267.10 and 381,979,511.40

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Solution

The fourth proportional to 381,979,511.40, 572,969,267.10 and 381,979,511.40 is: 572,969,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,979,511.40 : 572,969,267.10 = 381,979,511.40 : x
  2. Step 2: Convert to fraction form
    381,979,511.40/572,969,267.10 = 381,979,511.40/x
  3. Step 3: Cross multiply
    381,979,511.40x = 572,969,267.10 × 381,979,511.40
  4. Step 4: Simplify right side
    381,979,511.40x = 218,862,520,694,074,080
  5. Step 5: Solve for x
    x = 218,862,520,694,074,080/381,979,511.40
  6. Step 6: Final answer
    x = 572,969,267.10

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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.