Home / 382,204,063.31-527,433,340.38-221,274,833.28

Finding the Fourth Proportional to 382,204,063.31, 527,433,340.38 and 221,274,833.28

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Solution

The fourth proportional to 382,204,063.31, 527,433,340.38 and 221,274,833.28 is: 305,354,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,204,063.31 : 527,433,340.38 = 221,274,833.28 : x
  2. Step 2: Convert to fraction form
    382,204,063.31/527,433,340.38 = 221,274,833.28/x
  3. Step 3: Cross multiply
    382,204,063.31x = 527,433,340.38 × 221,274,833.28
  4. Step 4: Simplify right side
    382,204,063.31x = 116,707,724,456,090,352
  5. Step 5: Solve for x
    x = 116,707,724,456,090,352/382,204,063.31
  6. Step 6: Final answer
    x = 305,354,483.80

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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.