Home / 852,092,609.40-1,278,138,914.10-561,854,964.60

Finding the Fourth Proportional to 852,092,609.40, 1,278,138,914.10 and 561,854,964.60

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Solution

The fourth proportional to 852,092,609.40, 1,278,138,914.10 and 561,854,964.60 is: 842,782,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,092,609.40 : 1,278,138,914.10 = 561,854,964.60 : x
  2. Step 2: Convert to fraction form
    852,092,609.40/1,278,138,914.10 = 561,854,964.60/x
  3. Step 3: Cross multiply
    852,092,609.40x = 1,278,138,914.10 × 561,854,964.60
  4. Step 4: Simplify right side
    852,092,609.40x = 718,128,694,335,537,920
  5. Step 5: Solve for x
    x = 718,128,694,335,537,920/852,092,609.40
  6. Step 6: Final answer
    x = 842,782,446.90

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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.