Home / 374,632,620.90-516,931,345.59-235,304,143.44

Finding the Fourth Proportional to 374,632,620.90, 516,931,345.59 and 235,304,143.44

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Solution

The fourth proportional to 374,632,620.90, 516,931,345.59 and 235,304,143.44 is: 324,680,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,632,620.90 : 516,931,345.59 = 235,304,143.44 : x
  2. Step 2: Convert to fraction form
    374,632,620.90/516,931,345.59 = 235,304,143.44/x
  3. Step 3: Cross multiply
    374,632,620.90x = 516,931,345.59 × 235,304,143.44
  4. Step 4: Simplify right side
    374,632,620.90x = 121,636,087,491,341,568
  5. Step 5: Solve for x
    x = 121,636,087,491,341,568/374,632,620.90
  6. Step 6: Final answer
    x = 324,680,982.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.