Home / 814,507,196.10-1,221,760,794.15-296,954,520.90

Finding the Fourth Proportional to 814,507,196.10, 1,221,760,794.15 and 296,954,520.90

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Solution

The fourth proportional to 814,507,196.10, 1,221,760,794.15 and 296,954,520.90 is: 445,431,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,507,196.10 : 1,221,760,794.15 = 296,954,520.90 : x
  2. Step 2: Convert to fraction form
    814,507,196.10/1,221,760,794.15 = 296,954,520.90/x
  3. Step 3: Cross multiply
    814,507,196.10x = 1,221,760,794.15 × 296,954,520.90
  4. Step 4: Simplify right side
    814,507,196.10x = 362,807,391,281,216,768
  5. Step 5: Solve for x
    x = 362,807,391,281,216,768/814,507,196.10
  6. Step 6: Final answer
    x = 445,431,781.35

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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.