Home / 353,613,720.20-530,420,580.30-267,520,278.20

Finding the Fourth Proportional to 353,613,720.20, 530,420,580.30 and 267,520,278.20

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Solution

The fourth proportional to 353,613,720.20, 530,420,580.30 and 267,520,278.20 is: 401,280,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,613,720.20 : 530,420,580.30 = 267,520,278.20 : x
  2. Step 2: Convert to fraction form
    353,613,720.20/530,420,580.30 = 267,520,278.20/x
  3. Step 3: Cross multiply
    353,613,720.20x = 530,420,580.30 × 267,520,278.20
  4. Step 4: Simplify right side
    353,613,720.20x = 141,898,261,204,861,440
  5. Step 5: Solve for x
    x = 141,898,261,204,861,440/353,613,720.20
  6. Step 6: Final answer
    x = 401,280,417.30

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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.