Home / 551,199,443.40-826,799,165.10-347,126,099.40

Finding the Fourth Proportional to 551,199,443.40, 826,799,165.10 and 347,126,099.40

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Solution

The fourth proportional to 551,199,443.40, 826,799,165.10 and 347,126,099.40 is: 520,689,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,199,443.40 : 826,799,165.10 = 347,126,099.40 : x
  2. Step 2: Convert to fraction form
    551,199,443.40/826,799,165.10 = 347,126,099.40/x
  3. Step 3: Cross multiply
    551,199,443.40x = 826,799,165.10 × 347,126,099.40
  4. Step 4: Simplify right side
    551,199,443.40x = 287,003,569,168,339,584
  5. Step 5: Solve for x
    x = 287,003,569,168,339,584/551,199,443.40
  6. Step 6: Final answer
    x = 520,689,149.10

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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.