Home / 551,341,798.40-826,512,134.30-275,077,508.96

Finding the Fourth Proportional to 551,341,798.40, 826,512,134.30 and 275,077,508.96

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Solution

The fourth proportional to 551,341,798.40, 826,512,134.30 and 275,077,508.96 is: 412,366,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,341,798.40 : 826,512,134.30 = 275,077,508.96 : x
  2. Step 2: Convert to fraction form
    551,341,798.40/826,512,134.30 = 275,077,508.96/x
  3. Step 3: Cross multiply
    551,341,798.40x = 826,512,134.30 × 275,077,508.96
  4. Step 4: Simplify right side
    551,341,798.40x = 227,354,899,022,948,992
  5. Step 5: Solve for x
    x = 227,354,899,022,948,992/551,341,798.40
  6. Step 6: Final answer
    x = 412,366,520.52

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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.