Home / 382,555,635.84-527,833,104.66-215,259,277.50

Finding the Fourth Proportional to 382,555,635.84, 527,833,104.66 and 215,259,277.50

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Solution

The fourth proportional to 382,555,635.84, 527,833,104.66 and 215,259,277.50 is: 297,005,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,555,635.84 : 527,833,104.66 = 215,259,277.50 : x
  2. Step 2: Convert to fraction form
    382,555,635.84/527,833,104.66 = 215,259,277.50/x
  3. Step 3: Cross multiply
    382,555,635.84x = 527,833,104.66 × 215,259,277.50
  4. Step 4: Simplify right side
    382,555,635.84x = 113,620,972,749,693,488
  5. Step 5: Solve for x
    x = 113,620,972,749,693,488/382,555,635.84
  6. Step 6: Final answer
    x = 297,005,094.44

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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.