Home / 891,648,205.40-1,337,472,308.10-827,078,123.90

Finding the Fourth Proportional to 891,648,205.40, 1,337,472,308.10 and 827,078,123.90

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Solution

The fourth proportional to 891,648,205.40, 1,337,472,308.10 and 827,078,123.90 is: 1,240,617,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,205.40 : 1,337,472,308.10 = 827,078,123.90 : x
  2. Step 2: Convert to fraction form
    891,648,205.40/1,337,472,308.10 = 827,078,123.90/x
  3. Step 3: Cross multiply
    891,648,205.40x = 1,337,472,308.10 × 827,078,123.90
  4. Step 4: Simplify right side
    891,648,205.40x = 1,106,194,087,351,550,720
  5. Step 5: Solve for x
    x = 1,106,194,087,351,550,720/891,648,205.40
  6. Step 6: Final answer
    x = 1,240,617,185.85

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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.