Home / 1,381,853,196.20-2,072,779,794.30-449,174,241.20

Finding the Fourth Proportional to 1,381,853,196.20, 2,072,779,794.30 and 449,174,241.20

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Solution

The fourth proportional to 1,381,853,196.20, 2,072,779,794.30 and 449,174,241.20 is: 673,761,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,853,196.20 : 2,072,779,794.30 = 449,174,241.20 : x
  2. Step 2: Convert to fraction form
    1,381,853,196.20/2,072,779,794.30 = 449,174,241.20/x
  3. Step 3: Cross multiply
    1,381,853,196.20x = 2,072,779,794.30 × 449,174,241.20
  4. Step 4: Simplify right side
    1,381,853,196.20x = 931,039,291,279,394,560
  5. Step 5: Solve for x
    x = 931,039,291,279,394,560/1,381,853,196.20
  6. Step 6: Final answer
    x = 673,761,361.80

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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.