Home / 5,414,126,123.28-8,115,457,404.51-1,821,132,821.88

Finding the Fourth Proportional to 5,414,126,123.28, 8,115,457,404.51 and 1,821,132,821.88

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Solution

The fourth proportional to 5,414,126,123.28, 8,115,457,404.51 and 1,821,132,821.88 is: 2,729,771,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414,126,123.28 : 8,115,457,404.51 = 1,821,132,821.88 : x
  2. Step 2: Convert to fraction form
    5,414,126,123.28/8,115,457,404.51 = 1,821,132,821.88/x
  3. Step 3: Cross multiply
    5,414,126,123.28x = 8,115,457,404.51 × 1,821,132,821.88
  4. Step 4: Simplify right side
    5,414,126,123.28x = 14,779,325,843,895,920,640
  5. Step 5: Solve for x
    x = 14,779,325,843,895,920,640/5,414,126,123.28
  6. Step 6: Final answer
    x = 2,729,771,251.60

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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.