Home / 951,540,685.56-1,427,379,820.10-398,286,689.70

Finding the Fourth Proportional to 951,540,685.56, 1,427,379,820.10 and 398,286,689.70

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Solution

The fourth proportional to 951,540,685.56, 1,427,379,820.10 and 398,286,689.70 is: 597,458,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,540,685.56 : 1,427,379,820.10 = 398,286,689.70 : x
  2. Step 2: Convert to fraction form
    951,540,685.56/1,427,379,820.10 = 398,286,689.70/x
  3. Step 3: Cross multiply
    951,540,685.56x = 1,427,379,820.10 × 398,286,689.70
  4. Step 4: Simplify right side
    951,540,685.56x = 568,506,383,492,210,496
  5. Step 5: Solve for x
    x = 568,506,383,492,210,496/951,540,685.56
  6. Step 6: Final answer
    x = 597,458,828.74

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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.