Home / 290,756,610.86-401,245,370.42-158,600,487.38

Finding the Fourth Proportional to 290,756,610.86, 401,245,370.42 and 158,600,487.38

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Solution

The fourth proportional to 290,756,610.86, 401,245,370.42 and 158,600,487.38 is: 218,869,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,756,610.86 : 401,245,370.42 = 158,600,487.38 : x
  2. Step 2: Convert to fraction form
    290,756,610.86/401,245,370.42 = 158,600,487.38/x
  3. Step 3: Cross multiply
    290,756,610.86x = 401,245,370.42 × 158,600,487.38
  4. Step 4: Simplify right side
    290,756,610.86x = 63,637,711,304,781,408
  5. Step 5: Solve for x
    x = 63,637,711,304,781,408/290,756,610.86
  6. Step 6: Final answer
    x = 218,869,353.02

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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.