Home / 320,340,883.16-442,073,899.60-188,187,449.70

Finding the Fourth Proportional to 320,340,883.16, 442,073,899.60 and 188,187,449.70

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Solution

The fourth proportional to 320,340,883.16, 442,073,899.60 and 188,187,449.70 is: 259,700,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,340,883.16 : 442,073,899.60 = 188,187,449.70 : x
  2. Step 2: Convert to fraction form
    320,340,883.16/442,073,899.60 = 188,187,449.70/x
  3. Step 3: Cross multiply
    320,340,883.16x = 442,073,899.60 × 188,187,449.70
  4. Step 4: Simplify right side
    320,340,883.16x = 83,192,759,744,657,856
  5. Step 5: Solve for x
    x = 83,192,759,744,657,856/320,340,883.16
  6. Step 6: Final answer
    x = 259,700,725.44

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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.