Home / 396,926,661.40-595,389,992.10-124,380,971.80

Finding the Fourth Proportional to 396,926,661.40, 595,389,992.10 and 124,380,971.80

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Solution

The fourth proportional to 396,926,661.40, 595,389,992.10 and 124,380,971.80 is: 186,571,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,926,661.40 : 595,389,992.10 = 124,380,971.80 : x
  2. Step 2: Convert to fraction form
    396,926,661.40/595,389,992.10 = 124,380,971.80/x
  3. Step 3: Cross multiply
    396,926,661.40x = 595,389,992.10 × 124,380,971.80
  4. Step 4: Simplify right side
    396,926,661.40x = 74,055,185,817,392,320
  5. Step 5: Solve for x
    x = 74,055,185,817,392,320/396,926,661.40
  6. Step 6: Final answer
    x = 186,571,457.70

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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.