Home / 1,098,135,790.98-1,647,202,295.43-280,248,110.34

Finding the Fourth Proportional to 1,098,135,790.98, 1,647,202,295.43 and 280,248,110.34

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Solution

The fourth proportional to 1,098,135,790.98, 1,647,202,295.43 and 280,248,110.34 is: 420,371,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,135,790.98 : 1,647,202,295.43 = 280,248,110.34 : x
  2. Step 2: Convert to fraction form
    1,098,135,790.98/1,647,202,295.43 = 280,248,110.34/x
  3. Step 3: Cross multiply
    1,098,135,790.98x = 1,647,202,295.43 × 280,248,110.34
  4. Step 4: Simplify right side
    1,098,135,790.98x = 461,625,330,641,967,872
  5. Step 5: Solve for x
    x = 461,625,330,641,967,872/1,098,135,790.98
  6. Step 6: Final answer
    x = 420,371,810.51

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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.