Home / 605,129,022-906,907,332.47-272,892,037.86

Finding the Fourth Proportional to 605,129,022, 906,907,332.47 and 272,892,037.86

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Solution

The fourth proportional to 605,129,022, 906,907,332.47 and 272,892,037.86 is: 408,983,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,129,022 : 906,907,332.47 = 272,892,037.86 : x
  2. Step 2: Convert to fraction form
    605,129,022/906,907,332.47 = 272,892,037.86/x
  3. Step 3: Cross multiply
    605,129,022x = 906,907,332.47 × 272,892,037.86
  4. Step 4: Simplify right side
    605,129,022x = 247,487,790,106,550,400
  5. Step 5: Solve for x
    x = 247,487,790,106,550,400/605,129,022
  6. Step 6: Final answer
    x = 408,983,507.83

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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.