Home / 548,385,912.90-756,772,559.78-313,441,617.92

Finding the Fourth Proportional to 548,385,912.90, 756,772,559.78 and 313,441,617.92

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Solution

The fourth proportional to 548,385,912.90, 756,772,559.78 and 313,441,617.92 is: 432,549,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,912.90 : 756,772,559.78 = 313,441,617.92 : x
  2. Step 2: Convert to fraction form
    548,385,912.90/756,772,559.78 = 313,441,617.92/x
  3. Step 3: Cross multiply
    548,385,912.90x = 756,772,559.78 × 313,441,617.92
  4. Step 4: Simplify right side
    548,385,912.90x = 237,204,015,529,552,064
  5. Step 5: Solve for x
    x = 237,204,015,529,552,064/548,385,912.90
  6. Step 6: Final answer
    x = 432,549,432.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.