Home / 79,065,777,019-118,598,565,373.86-20,177,864,012.92

Finding the Fourth Proportional to 79,065,777,019, 118,598,565,373.86 and 20,177,864,012.92

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Solution

The fourth proportional to 79,065,777,019, 118,598,565,373.86 and 20,177,864,012.92 is: 30,266,770,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,065,777,019 : 118,598,565,373.86 = 20,177,864,012.92 : x
  2. Step 2: Convert to fraction form
    79,065,777,019/118,598,565,373.86 = 20,177,864,012.92/x
  3. Step 3: Cross multiply
    79,065,777,019x = 118,598,565,373.86 × 20,177,864,012.92
  4. Step 4: Simplify right side
    79,065,777,019x = 2,393,065,724,241,149,689,856
  5. Step 5: Solve for x
    x = 2,393,065,724,241,149,689,856/79,065,777,019
  6. Step 6: Final answer
    x = 30,266,770,459.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.