Home / 1,034,324,078.65-1,427,397,372.31-564,455,664.56

Finding the Fourth Proportional to 1,034,324,078.65, 1,427,397,372.31 and 564,455,664.56

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Solution

The fourth proportional to 1,034,324,078.65, 1,427,397,372.31 and 564,455,664.56 is: 778,965,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,324,078.65 : 1,427,397,372.31 = 564,455,664.56 : x
  2. Step 2: Convert to fraction form
    1,034,324,078.65/1,427,397,372.31 = 564,455,664.56/x
  3. Step 3: Cross multiply
    1,034,324,078.65x = 1,427,397,372.31 × 564,455,664.56
  4. Step 4: Simplify right side
    1,034,324,078.65x = 805,702,532,378,438,656
  5. Step 5: Solve for x
    x = 805,702,532,378,438,656/1,034,324,078.65
  6. Step 6: Final answer
    x = 778,965,267.28

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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.