Home / 548,385,919.57-756,772,569.07-313,441,624.58

Finding the Fourth Proportional to 548,385,919.57, 756,772,569.07 and 313,441,624.58

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Solution

The fourth proportional to 548,385,919.57, 756,772,569.07 and 313,441,624.58 is: 432,549,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,919.57 : 756,772,569.07 = 313,441,624.58 : x
  2. Step 2: Convert to fraction form
    548,385,919.57/756,772,569.07 = 313,441,624.58/x
  3. Step 3: Cross multiply
    548,385,919.57x = 756,772,569.07 × 313,441,624.58
  4. Step 4: Simplify right side
    548,385,919.57x = 237,204,023,491,183,040
  5. Step 5: Solve for x
    x = 237,204,023,491,183,040/548,385,919.57
  6. Step 6: Final answer
    x = 432,549,441.97

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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.