Home / 299,610,306.20-449,415,459.30-84,199,554.20

Finding the Fourth Proportional to 299,610,306.20, 449,415,459.30 and 84,199,554.20

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Solution

The fourth proportional to 299,610,306.20, 449,415,459.30 and 84,199,554.20 is: 126,299,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,306.20 : 449,415,459.30 = 84,199,554.20 : x
  2. Step 2: Convert to fraction form
    299,610,306.20/449,415,459.30 = 84,199,554.20/x
  3. Step 3: Cross multiply
    299,610,306.20x = 449,415,459.30 × 84,199,554.20
  4. Step 4: Simplify right side
    299,610,306.20x = 37,840,581,321,401,168
  5. Step 5: Solve for x
    x = 37,840,581,321,401,168/299,610,306.20
  6. Step 6: Final answer
    x = 126,299,331.29

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1.5x scale

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.