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Finding the Fourth Proportional to 573,711,772.20, 860,567,658.30 and 185,812,986.30

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Solution

The fourth proportional to 573,711,772.20, 860,567,658.30 and 185,812,986.30 is: 278,719,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,711,772.20 : 860,567,658.30 = 185,812,986.30 : x
  2. Step 2: Convert to fraction form
    573,711,772.20/860,567,658.30 = 185,812,986.30/x
  3. Step 3: Cross multiply
    573,711,772.20x = 860,567,658.30 × 185,812,986.30
  4. Step 4: Simplify right side
    573,711,772.20x = 159,904,646,501,920,992
  5. Step 5: Solve for x
    x = 159,904,646,501,920,992/573,711,772.20
  6. Step 6: Final answer
    x = 278,719,479.45

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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.