Home / 382,291,858.20-527,426,715.42-225,580,536.12

Finding the Fourth Proportional to 382,291,858.20, 527,426,715.42 and 225,580,536.12

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Solution

The fourth proportional to 382,291,858.20, 527,426,715.42 and 225,580,536.12 is: 311,220,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,291,858.20 : 527,426,715.42 = 225,580,536.12 : x
  2. Step 2: Convert to fraction form
    382,291,858.20/527,426,715.42 = 225,580,536.12/x
  3. Step 3: Cross multiply
    382,291,858.20x = 527,426,715.42 × 225,580,536.12
  4. Step 4: Simplify right side
    382,291,858.20x = 118,977,201,228,454,272
  5. Step 5: Solve for x
    x = 118,977,201,228,454,272/382,291,858.20
  6. Step 6: Final answer
    x = 311,220,860.91

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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.