Home / 322,015,301.40-483,022,952.10-79,678,205.40

Finding the Fourth Proportional to 322,015,301.40, 483,022,952.10 and 79,678,205.40

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Solution

The fourth proportional to 322,015,301.40, 483,022,952.10 and 79,678,205.40 is: 119,517,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,015,301.40 : 483,022,952.10 = 79,678,205.40 : x
  2. Step 2: Convert to fraction form
    322,015,301.40/483,022,952.10 = 79,678,205.40/x
  3. Step 3: Cross multiply
    322,015,301.40x = 483,022,952.10 × 79,678,205.40
  4. Step 4: Simplify right side
    322,015,301.40x = 38,486,401,990,338,168
  5. Step 5: Solve for x
    x = 38,486,401,990,338,168/322,015,301.40
  6. Step 6: Final answer
    x = 119,517,308.10

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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.