Home / 514,340,448.20-771,510,672.30-131,388,000.20

Finding the Fourth Proportional to 514,340,448.20, 771,510,672.30 and 131,388,000.20

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Solution

The fourth proportional to 514,340,448.20, 771,510,672.30 and 131,388,000.20 is: 197,082,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,340,448.20 : 771,510,672.30 = 131,388,000.20 : x
  2. Step 2: Convert to fraction form
    514,340,448.20/771,510,672.30 = 131,388,000.20/x
  3. Step 3: Cross multiply
    514,340,448.20x = 771,510,672.30 × 131,388,000.20
  4. Step 4: Simplify right side
    514,340,448.20x = 101,367,244,366,454,528
  5. Step 5: Solve for x
    x = 101,367,244,366,454,528/514,340,448.20
  6. Step 6: Final answer
    x = 197,082,000.30

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Similar ratio
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1.5x scale

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.