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Finding the Fourth Proportional to 417,798,010.80, 626,697,016.20 and 224,087,766.30

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Solution

The fourth proportional to 417,798,010.80, 626,697,016.20 and 224,087,766.30 is: 336,131,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,798,010.80 : 626,697,016.20 = 224,087,766.30 : x
  2. Step 2: Convert to fraction form
    417,798,010.80/626,697,016.20 = 224,087,766.30/x
  3. Step 3: Cross multiply
    417,798,010.80x = 626,697,016.20 × 224,087,766.30
  4. Step 4: Simplify right side
    417,798,010.80x = 140,435,134,507,132,928
  5. Step 5: Solve for x
    x = 140,435,134,507,132,928/417,798,010.80
  6. Step 6: Final answer
    x = 336,131,649.45

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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.