Home / 356,298,015.20-534,447,022.80-313,215,864.80

Finding the Fourth Proportional to 356,298,015.20, 534,447,022.80 and 313,215,864.80

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Solution

The fourth proportional to 356,298,015.20, 534,447,022.80 and 313,215,864.80 is: 469,823,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,298,015.20 : 534,447,022.80 = 313,215,864.80 : x
  2. Step 2: Convert to fraction form
    356,298,015.20/534,447,022.80 = 313,215,864.80/x
  3. Step 3: Cross multiply
    356,298,015.20x = 534,447,022.80 × 313,215,864.80
  4. Step 4: Simplify right side
    356,298,015.20x = 167,397,286,436,087,328
  5. Step 5: Solve for x
    x = 167,397,286,436,087,328/356,298,015.20
  6. Step 6: Final answer
    x = 469,823,797.20

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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.