Home / 769,563,800.96-1,061,969,583.30-417,132,224.78

Finding the Fourth Proportional to 769,563,800.96, 1,061,969,583.30 and 417,132,224.78

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Solution

The fourth proportional to 769,563,800.96, 1,061,969,583.30 and 417,132,224.78 is: 575,627,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,563,800.96 : 1,061,969,583.30 = 417,132,224.78 : x
  2. Step 2: Convert to fraction form
    769,563,800.96/1,061,969,583.30 = 417,132,224.78/x
  3. Step 3: Cross multiply
    769,563,800.96x = 1,061,969,583.30 × 417,132,224.78
  4. Step 4: Simplify right side
    769,563,800.96x = 442,981,734,930,618,496
  5. Step 5: Solve for x
    x = 442,981,734,930,618,496/769,563,800.96
  6. Step 6: Final answer
    x = 575,627,042.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.