Home / 320,340,884.16-442,073,900.98-188,187,450.70

Finding the Fourth Proportional to 320,340,884.16, 442,073,900.98 and 188,187,450.70

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Solution

The fourth proportional to 320,340,884.16, 442,073,900.98 and 188,187,450.70 is: 259,700,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,340,884.16 : 442,073,900.98 = 188,187,450.70 : x
  2. Step 2: Convert to fraction form
    320,340,884.16/442,073,900.98 = 188,187,450.70/x
  3. Step 3: Cross multiply
    320,340,884.16x = 442,073,900.98 × 188,187,450.70
  4. Step 4: Simplify right side
    320,340,884.16x = 83,192,760,446,430,432
  5. Step 5: Solve for x
    x = 83,192,760,446,430,432/320,340,884.16
  6. Step 6: Final answer
    x = 259,700,726.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.