Home / 548,385,919.29-756,772,568.61-313,441,624.29

Finding the Fourth Proportional to 548,385,919.29, 756,772,568.61 and 313,441,624.29

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Solution

The fourth proportional to 548,385,919.29, 756,772,568.61 and 313,441,624.29 is: 432,549,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,919.29 : 756,772,568.61 = 313,441,624.29 : x
  2. Step 2: Convert to fraction form
    548,385,919.29/756,772,568.61 = 313,441,624.29/x
  3. Step 3: Cross multiply
    548,385,919.29x = 756,772,568.61 × 313,441,624.29
  4. Step 4: Simplify right side
    548,385,919.29x = 237,204,023,123,233,888
  5. Step 5: Solve for x
    x = 237,204,023,123,233,888/548,385,919.29
  6. Step 6: Final answer
    x = 432,549,441.51

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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.