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Finding the Fourth Proportional to 636,656,181.96, 954,984,211.38 and 176,594,371.32

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Solution

The fourth proportional to 636,656,181.96, 954,984,211.38 and 176,594,371.32 is: 264,891,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,656,181.96 : 954,984,211.38 = 176,594,371.32 : x
  2. Step 2: Convert to fraction form
    636,656,181.96/954,984,211.38 = 176,594,371.32/x
  3. Step 3: Cross multiply
    636,656,181.96x = 954,984,211.38 × 176,594,371.32
  4. Step 4: Simplify right side
    636,656,181.96x = 168,644,836,429,177,088
  5. Step 5: Solve for x
    x = 168,644,836,429,177,088/636,656,181.96
  6. Step 6: Final answer
    x = 264,891,539.90

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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.