Home / 394,549,092.65-544,486,631.78-255,561,770.79

Finding the Fourth Proportional to 394,549,092.65, 544,486,631.78 and 255,561,770.79

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Solution

The fourth proportional to 394,549,092.65, 544,486,631.78 and 255,561,770.79 is: 352,680,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,549,092.65 : 544,486,631.78 = 255,561,770.79 : x
  2. Step 2: Convert to fraction form
    394,549,092.65/544,486,631.78 = 255,561,770.79/x
  3. Step 3: Cross multiply
    394,549,092.65x = 544,486,631.78 × 255,561,770.79
  4. Step 4: Simplify right side
    394,549,092.65x = 139,149,967,789,818,400
  5. Step 5: Solve for x
    x = 139,149,967,789,818,400/394,549,092.65
  6. Step 6: Final answer
    x = 352,680,998.08

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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.