Home / 663,552,003.70-995,328,005.55-372,119,965.30

Finding the Fourth Proportional to 663,552,003.70, 995,328,005.55 and 372,119,965.30

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Solution

The fourth proportional to 663,552,003.70, 995,328,005.55 and 372,119,965.30 is: 558,179,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,003.70 : 995,328,005.55 = 372,119,965.30 : x
  2. Step 2: Convert to fraction form
    663,552,003.70/995,328,005.55 = 372,119,965.30/x
  3. Step 3: Cross multiply
    663,552,003.70x = 995,328,005.55 × 372,119,965.30
  4. Step 4: Simplify right side
    663,552,003.70x = 370,381,422,887,384,192
  5. Step 5: Solve for x
    x = 370,381,422,887,384,192/663,552,003.70
  6. Step 6: Final answer
    x = 558,179,947.95

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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.