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Finding the Fourth Proportional to 488,708,335.80, 733,080,218.40 and 143,696,838.60

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Solution

The fourth proportional to 488,708,335.80, 733,080,218.40 and 143,696,838.60 is: 215,550,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,708,335.80 : 733,080,218.40 = 143,696,838.60 : x
  2. Step 2: Convert to fraction form
    488,708,335.80/733,080,218.40 = 143,696,838.60/x
  3. Step 3: Cross multiply
    488,708,335.80x = 733,080,218.40 × 143,696,838.60
  4. Step 4: Simplify right side
    488,708,335.80x = 105,341,309,824,277,536
  5. Step 5: Solve for x
    x = 105,341,309,824,277,536/488,708,335.80
  6. Step 6: Final answer
    x = 215,550,466.62

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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.