Home / 353,613,751.20-530,420,626.80-267,520,309.20

Finding the Fourth Proportional to 353,613,751.20, 530,420,626.80 and 267,520,309.20

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Solution

The fourth proportional to 353,613,751.20, 530,420,626.80 and 267,520,309.20 is: 401,280,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,613,751.20 : 530,420,626.80 = 267,520,309.20 : x
  2. Step 2: Convert to fraction form
    353,613,751.20/530,420,626.80 = 267,520,309.20/x
  3. Step 3: Cross multiply
    353,613,751.20x = 530,420,626.80 × 267,520,309.20
  4. Step 4: Simplify right side
    353,613,751.20x = 141,898,290,087,593,808
  5. Step 5: Solve for x
    x = 141,898,290,087,593,808/353,613,751.20
  6. Step 6: Final answer
    x = 401,280,463.80

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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.