Home / 370,986,992,360.58-556,161,777,846.95-128,932,654,529.52

Finding the Fourth Proportional to 370,986,992,360.58, 556,161,777,846.95 and 128,932,654,529.52

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Solution

The fourth proportional to 370,986,992,360.58, 556,161,777,846.95 and 128,932,654,529.52 is: 193,288,217,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,986,992,360.58 : 556,161,777,846.95 = 128,932,654,529.52 : x
  2. Step 2: Convert to fraction form
    370,986,992,360.58/556,161,777,846.95 = 128,932,654,529.52/x
  3. Step 3: Cross multiply
    370,986,992,360.58x = 556,161,777,846.95 × 128,932,654,529.52
  4. Step 4: Simplify right side
    370,986,992,360.58x = 71,707,414,365,664,446,513,152
  5. Step 5: Solve for x
    x = 71,707,414,365,664,446,513,152/370,986,992,360.58
  6. Step 6: Final answer
    x = 193,288,217,221.29

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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.