Home / 548,385,919.14-756,772,568.49-313,441,624.16

Finding the Fourth Proportional to 548,385,919.14, 756,772,568.49 and 313,441,624.16

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Solution

The fourth proportional to 548,385,919.14, 756,772,568.49 and 313,441,624.16 is: 432,549,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,919.14 : 756,772,568.49 = 313,441,624.16 : x
  2. Step 2: Convert to fraction form
    548,385,919.14/756,772,568.49 = 313,441,624.16/x
  3. Step 3: Cross multiply
    548,385,919.14x = 756,772,568.49 × 313,441,624.16
  4. Step 4: Simplify right side
    548,385,919.14x = 237,204,022,985,691,360
  5. Step 5: Solve for x
    x = 237,204,022,985,691,360/548,385,919.14
  6. Step 6: Final answer
    x = 432,549,441.38

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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.