Home / 382,204,064.31-527,433,341.76-221,274,834.28

Finding the Fourth Proportional to 382,204,064.31, 527,433,341.76 and 221,274,834.28

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Solution

The fourth proportional to 382,204,064.31, 527,433,341.76 and 221,274,834.28 is: 305,354,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,204,064.31 : 527,433,341.76 = 221,274,834.28 : x
  2. Step 2: Convert to fraction form
    382,204,064.31/527,433,341.76 = 221,274,834.28/x
  3. Step 3: Cross multiply
    382,204,064.31x = 527,433,341.76 × 221,274,834.28
  4. Step 4: Simplify right side
    382,204,064.31x = 116,707,725,291,690,608
  5. Step 5: Solve for x
    x = 116,707,725,291,690,608/382,204,064.31
  6. Step 6: Final answer
    x = 305,354,485.18

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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.