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Finding the Fourth Proportional to 636,656,189.46, 954,984,222.63 and 176,594,378.82

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Solution

The fourth proportional to 636,656,189.46, 954,984,222.63 and 176,594,378.82 is: 264,891,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,656,189.46 : 954,984,222.63 = 176,594,378.82 : x
  2. Step 2: Convert to fraction form
    636,656,189.46/954,984,222.63 = 176,594,378.82/x
  3. Step 3: Cross multiply
    636,656,189.46x = 954,984,222.63 × 176,594,378.82
  4. Step 4: Simplify right side
    636,656,189.46x = 168,644,845,578,245,440
  5. Step 5: Solve for x
    x = 168,644,845,578,245,440/636,656,189.46
  6. Step 6: Final answer
    x = 264,891,551.15

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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.