Home / 672,434,196.40-1,008,840,251.40-327,399,079.60

Finding the Fourth Proportional to 672,434,196.40, 1,008,840,251.40 and 327,399,079.60

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Solution

The fourth proportional to 672,434,196.40, 1,008,840,251.40 and 327,399,079.60 is: 491,190,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,434,196.40 : 1,008,840,251.40 = 327,399,079.60 : x
  2. Step 2: Convert to fraction form
    672,434,196.40/1,008,840,251.40 = 327,399,079.60/x
  3. Step 3: Cross multiply
    672,434,196.40x = 1,008,840,251.40 × 327,399,079.60
  4. Step 4: Simplify right side
    672,434,196.40x = 330,293,369,771,792,640
  5. Step 5: Solve for x
    x = 330,293,369,771,792,640/672,434,196.40
  6. Step 6: Final answer
    x = 491,190,619.90

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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.