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Finding the Fourth Proportional to 573,888,000.80, 860,832,001.20 and 529,546,138.40

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Solution

The fourth proportional to 573,888,000.80, 860,832,001.20 and 529,546,138.40 is: 794,319,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,888,000.80 : 860,832,001.20 = 529,546,138.40 : x
  2. Step 2: Convert to fraction form
    573,888,000.80/860,832,001.20 = 529,546,138.40/x
  3. Step 3: Cross multiply
    573,888,000.80x = 860,832,001.20 × 529,546,138.40
  4. Step 4: Simplify right side
    573,888,000.80x = 455,850,262,046,604,160
  5. Step 5: Solve for x
    x = 455,850,262,046,604,160/573,888,000.80
  6. Step 6: Final answer
    x = 794,319,207.60

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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.