Home / 406,865,427.75-610,298,753.99-188,396,724.87

Finding the Fourth Proportional to 406,865,427.75, 610,298,753.99 and 188,396,724.87

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Solution

The fourth proportional to 406,865,427.75, 610,298,753.99 and 188,396,724.87 is: 282,595,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,865,427.75 : 610,298,753.99 = 188,396,724.87 : x
  2. Step 2: Convert to fraction form
    406,865,427.75/610,298,753.99 = 188,396,724.87/x
  3. Step 3: Cross multiply
    406,865,427.75x = 610,298,753.99 × 188,396,724.87
  4. Step 4: Simplify right side
    406,865,427.75x = 114,978,286,443,015,872
  5. Step 5: Solve for x
    x = 114,978,286,443,015,872/406,865,427.75
  6. Step 6: Final answer
    x = 282,595,370.85

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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.