Home / 486,327,769.34-671,131,434.47-263,309,423.63

Finding the Fourth Proportional to 486,327,769.34, 671,131,434.47 and 263,309,423.63

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Solution

The fourth proportional to 486,327,769.34, 671,131,434.47 and 263,309,423.63 is: 363,366,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,327,769.34 : 671,131,434.47 = 263,309,423.63 : x
  2. Step 2: Convert to fraction form
    486,327,769.34/671,131,434.47 = 263,309,423.63/x
  3. Step 3: Cross multiply
    486,327,769.34x = 671,131,434.47 × 263,309,423.63
  4. Step 4: Simplify right side
    486,327,769.34x = 176,715,231,185,598,624
  5. Step 5: Solve for x
    x = 176,715,231,185,598,624/486,327,769.34
  6. Step 6: Final answer
    x = 363,366,524.24

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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.