Home / 2,614,213,676.40-3,921,318,118.72-819,440,140.32

Finding the Fourth Proportional to 2,614,213,676.40, 3,921,318,118.72 and 819,440,140.32

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Solution

The fourth proportional to 2,614,213,676.40, 3,921,318,118.72 and 819,440,140.32 is: 1,229,159,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,213,676.40 : 3,921,318,118.72 = 819,440,140.32 : x
  2. Step 2: Convert to fraction form
    2,614,213,676.40/3,921,318,118.72 = 819,440,140.32/x
  3. Step 3: Cross multiply
    2,614,213,676.40x = 3,921,318,118.72 × 819,440,140.32
  4. Step 4: Simplify right side
    2,614,213,676.40x = 3,213,285,469,443,275,264
  5. Step 5: Solve for x
    x = 3,213,285,469,443,275,264/2,614,213,676.40
  6. Step 6: Final answer
    x = 1,229,159,459.48

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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.