Home / 441,239,636.16-660,998,419.92-343,738,814.04

Finding the Fourth Proportional to 441,239,636.16, 660,998,419.92 and 343,738,814.04

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Solution

The fourth proportional to 441,239,636.16, 660,998,419.92 and 343,738,814.04 is: 514,937,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,239,636.16 : 660,998,419.92 = 343,738,814.04 : x
  2. Step 2: Convert to fraction form
    441,239,636.16/660,998,419.92 = 343,738,814.04/x
  3. Step 3: Cross multiply
    441,239,636.16x = 660,998,419.92 × 343,738,814.04
  4. Step 4: Simplify right side
    441,239,636.16x = 227,210,812,945,614,720
  5. Step 5: Solve for x
    x = 227,210,812,945,614,720/441,239,636.16
  6. Step 6: Final answer
    x = 514,937,449.69

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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.