Home / 896,522,745.72-1,345,192,725.78-460,129,885.32

Finding the Fourth Proportional to 896,522,745.72, 1,345,192,725.78 and 460,129,885.32

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Solution

The fourth proportional to 896,522,745.72, 1,345,192,725.78 and 460,129,885.32 is: 690,404,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,522,745.72 : 1,345,192,725.78 = 460,129,885.32 : x
  2. Step 2: Convert to fraction form
    896,522,745.72/1,345,192,725.78 = 460,129,885.32/x
  3. Step 3: Cross multiply
    896,522,745.72x = 1,345,192,725.78 × 460,129,885.32
  4. Step 4: Simplify right side
    896,522,745.72x = 618,963,374,646,449,536
  5. Step 5: Solve for x
    x = 618,963,374,646,449,536/896,522,745.72
  6. Step 6: Final answer
    x = 690,404,540.88

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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.