Home / 130,380,193,478.40-195,570,290,217.60-126,706,873,286.40

Finding the Fourth Proportional to 130,380,193,478.40, 195,570,290,217.60 and 126,706,873,286.40

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Solution

The fourth proportional to 130,380,193,478.40, 195,570,290,217.60 and 126,706,873,286.40 is: 190,060,309,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,193,478.40 : 195,570,290,217.60 = 126,706,873,286.40 : x
  2. Step 2: Convert to fraction form
    130,380,193,478.40/195,570,290,217.60 = 126,706,873,286.40/x
  3. Step 3: Cross multiply
    130,380,193,478.40x = 195,570,290,217.60 × 126,706,873,286.40
  4. Step 4: Simplify right side
    130,380,193,478.40x = 24,780,099,981,185,917,124,608
  5. Step 5: Solve for x
    x = 24,780,099,981,185,917,124,608/130,380,193,478.40
  6. Step 6: Final answer
    x = 190,060,309,929.60

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1.5x scale

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.