Home / 432,966,909.43-649,450,351.60-199,728,613.70

Finding the Fourth Proportional to 432,966,909.43, 649,450,351.60 and 199,728,613.70

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Solution

The fourth proportional to 432,966,909.43, 649,450,351.60 and 199,728,613.70 is: 299,592,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,966,909.43 : 649,450,351.60 = 199,728,613.70 : x
  2. Step 2: Convert to fraction form
    432,966,909.43/649,450,351.60 = 199,728,613.70/x
  3. Step 3: Cross multiply
    432,966,909.43x = 649,450,351.60 × 199,728,613.70
  4. Step 4: Simplify right side
    432,966,909.43x = 129,713,818,392,045,568
  5. Step 5: Solve for x
    x = 129,713,818,392,045,568/432,966,909.43
  6. Step 6: Final answer
    x = 299,592,914.76

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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.