Home / 486,250,105.79-671,025,363.08-263,231,779.97

Finding the Fourth Proportional to 486,250,105.79, 671,025,363.08 and 263,231,779.97

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Solution

The fourth proportional to 486,250,105.79, 671,025,363.08 and 263,231,779.97 is: 363,259,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,250,105.79 : 671,025,363.08 = 263,231,779.97 : x
  2. Step 2: Convert to fraction form
    486,250,105.79/671,025,363.08 = 263,231,779.97/x
  3. Step 3: Cross multiply
    486,250,105.79x = 671,025,363.08 × 263,231,779.97
  4. Step 4: Simplify right side
    486,250,105.79x = 176,635,200,728,563,936
  5. Step 5: Solve for x
    x = 176,635,200,728,563,936/486,250,105.79
  6. Step 6: Final answer
    x = 363,259,973.88

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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.