Home / 667,372,613.40-1,001,058,920.10-640,162,834.20

Finding the Fourth Proportional to 667,372,613.40, 1,001,058,920.10 and 640,162,834.20

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Solution

The fourth proportional to 667,372,613.40, 1,001,058,920.10 and 640,162,834.20 is: 960,244,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,372,613.40 : 1,001,058,920.10 = 640,162,834.20 : x
  2. Step 2: Convert to fraction form
    667,372,613.40/1,001,058,920.10 = 640,162,834.20/x
  3. Step 3: Cross multiply
    667,372,613.40x = 1,001,058,920.10 × 640,162,834.20
  4. Step 4: Simplify right side
    667,372,613.40x = 640,840,715,492,407,424
  5. Step 5: Solve for x
    x = 640,840,715,492,407,424/667,372,613.40
  6. Step 6: Final answer
    x = 960,244,251.30

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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.