Home / 370,986,992,361.08-556,161,777,847.70-128,932,654,530.02

Finding the Fourth Proportional to 370,986,992,361.08, 556,161,777,847.70 and 128,932,654,530.02

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Solution

The fourth proportional to 370,986,992,361.08, 556,161,777,847.70 and 128,932,654,530.02 is: 193,288,217,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,986,992,361.08 : 556,161,777,847.70 = 128,932,654,530.02 : x
  2. Step 2: Convert to fraction form
    370,986,992,361.08/556,161,777,847.70 = 128,932,654,530.02/x
  3. Step 3: Cross multiply
    370,986,992,361.08x = 556,161,777,847.70 × 128,932,654,530.02
  4. Step 4: Simplify right side
    370,986,992,361.08x = 71,707,414,366,039,232,741,376
  5. Step 5: Solve for x
    x = 71,707,414,366,039,232,741,376/370,986,992,361.08
  6. Step 6: Final answer
    x = 193,288,217,222.04

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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.