Home / 400,192,588.14-600,346,258.15-123,868,068.72

Finding the Fourth Proportional to 400,192,588.14, 600,346,258.15 and 123,868,068.72

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Solution

The fourth proportional to 400,192,588.14, 600,346,258.15 and 123,868,068.72 is: 185,819,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,192,588.14 : 600,346,258.15 = 123,868,068.72 : x
  2. Step 2: Convert to fraction form
    400,192,588.14/600,346,258.15 = 123,868,068.72/x
  3. Step 3: Cross multiply
    400,192,588.14x = 600,346,258.15 × 123,868,068.72
  4. Step 4: Simplify right side
    400,192,588.14x = 74,363,731,557,990,960
  5. Step 5: Solve for x
    x = 74,363,731,557,990,960/400,192,588.14
  6. Step 6: Final answer
    x = 185,819,862.14

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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.