Home / 1,034,324,100.72-1,427,397,402.96-564,455,686.68

Finding the Fourth Proportional to 1,034,324,100.72, 1,427,397,402.96 and 564,455,686.68

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Solution

The fourth proportional to 1,034,324,100.72, 1,427,397,402.96 and 564,455,686.68 is: 778,965,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,324,100.72 : 1,427,397,402.96 = 564,455,686.68 : x
  2. Step 2: Convert to fraction form
    1,034,324,100.72/1,427,397,402.96 = 564,455,686.68/x
  3. Step 3: Cross multiply
    1,034,324,100.72x = 1,427,397,402.96 × 564,455,686.68
  4. Step 4: Simplify right side
    1,034,324,100.72x = 805,702,581,253,035,392
  5. Step 5: Solve for x
    x = 805,702,581,253,035,392/1,034,324,100.72
  6. Step 6: Final answer
    x = 778,965,297.91

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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.