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Finding the Fourth Proportional to 559,876,278.80, 839,814,418.20 and 150,973,763.60

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Solution

The fourth proportional to 559,876,278.80, 839,814,418.20 and 150,973,763.60 is: 226,460,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,278.80 : 839,814,418.20 = 150,973,763.60 : x
  2. Step 2: Convert to fraction form
    559,876,278.80/839,814,418.20 = 150,973,763.60/x
  3. Step 3: Cross multiply
    559,876,278.80x = 839,814,418.20 × 150,973,763.60
  4. Step 4: Simplify right side
    559,876,278.80x = 126,789,943,441,198,336
  5. Step 5: Solve for x
    x = 126,789,943,441,198,336/559,876,278.80
  6. Step 6: Final answer
    x = 226,460,645.40

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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.