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Finding the Fourth Proportional to 574,433,380.80, 860,374,612.80 and 472,396,708.80

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Solution

The fourth proportional to 574,433,380.80, 860,374,612.80 and 472,396,708.80 is: 707,546,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,433,380.80 : 860,374,612.80 = 472,396,708.80 : x
  2. Step 2: Convert to fraction form
    574,433,380.80/860,374,612.80 = 472,396,708.80/x
  3. Step 3: Cross multiply
    574,433,380.80x = 860,374,612.80 × 472,396,708.80
  4. Step 4: Simplify right side
    574,433,380.80x = 406,438,135,421,794,368
  5. Step 5: Solve for x
    x = 406,438,135,421,794,368/574,433,380.80
  6. Step 6: Final answer
    x = 707,546,164.63

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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.