Home / 486,327,769.59-671,131,434.81-263,309,423.88

Finding the Fourth Proportional to 486,327,769.59, 671,131,434.81 and 263,309,423.88

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Solution

The fourth proportional to 486,327,769.59, 671,131,434.81 and 263,309,423.88 is: 363,366,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,327,769.59 : 671,131,434.81 = 263,309,423.88 : x
  2. Step 2: Convert to fraction form
    486,327,769.59/671,131,434.81 = 263,309,423.88/x
  3. Step 3: Cross multiply
    486,327,769.59x = 671,131,434.81 × 263,309,423.88
  4. Step 4: Simplify right side
    486,327,769.59x = 176,715,231,444,223,200
  5. Step 5: Solve for x
    x = 176,715,231,444,223,200/486,327,769.59
  6. Step 6: Final answer
    x = 363,366,524.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.