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Finding the Fourth Proportional to 454,167,834.48, 626,751,863.46 and 245,323,978.20

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Solution

The fourth proportional to 454,167,834.48, 626,751,863.46 and 245,323,978.20 is: 338,547,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,167,834.48 : 626,751,863.46 = 245,323,978.20 : x
  2. Step 2: Convert to fraction form
    454,167,834.48/626,751,863.46 = 245,323,978.20/x
  3. Step 3: Cross multiply
    454,167,834.48x = 626,751,863.46 × 245,323,978.20
  4. Step 4: Simplify right side
    454,167,834.48x = 153,757,260,488,270,432
  5. Step 5: Solve for x
    x = 153,757,260,488,270,432/454,167,834.48
  6. Step 6: Final answer
    x = 338,547,225.97

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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.