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Finding the Fourth Proportional to 636,647,788.08, 954,971,601.12 and 176,585,954.88

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Solution

The fourth proportional to 636,647,788.08, 954,971,601.12 and 176,585,954.88 is: 264,878,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,647,788.08 : 954,971,601.12 = 176,585,954.88 : x
  2. Step 2: Convert to fraction form
    636,647,788.08/954,971,601.12 = 176,585,954.88/x
  3. Step 3: Cross multiply
    636,647,788.08x = 954,971,601.12 × 176,585,954.88
  4. Step 4: Simplify right side
    636,647,788.08x = 168,634,572,067,057,664
  5. Step 5: Solve for x
    x = 168,634,572,067,057,664/636,647,788.08
  6. Step 6: Final answer
    x = 264,878,909.85

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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.