Home / 370,986,992,360.70-556,161,777,847.10-128,932,654,529.59

Finding the Fourth Proportional to 370,986,992,360.70, 556,161,777,847.10 and 128,932,654,529.59

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Solution

The fourth proportional to 370,986,992,360.70, 556,161,777,847.10 and 128,932,654,529.59 is: 193,288,217,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,986,992,360.70 : 556,161,777,847.10 = 128,932,654,529.59 : x
  2. Step 2: Convert to fraction form
    370,986,992,360.70/556,161,777,847.10 = 128,932,654,529.59/x
  3. Step 3: Cross multiply
    370,986,992,360.70x = 556,161,777,847.10 × 128,932,654,529.59
  4. Step 4: Simplify right side
    370,986,992,360.70x = 71,707,414,365,722,722,172,928
  5. Step 5: Solve for x
    x = 71,707,414,365,722,722,172,928/370,986,992,360.70
  6. Step 6: Final answer
    x = 193,288,217,221.38

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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.