Home / 681,008,215.60-1,021,512,323.40-189,797,299.30

Finding the Fourth Proportional to 681,008,215.60, 1,021,512,323.40 and 189,797,299.30

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Solution

The fourth proportional to 681,008,215.60, 1,021,512,323.40 and 189,797,299.30 is: 284,695,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,008,215.60 : 1,021,512,323.40 = 189,797,299.30 : x
  2. Step 2: Convert to fraction form
    681,008,215.60/1,021,512,323.40 = 189,797,299.30/x
  3. Step 3: Cross multiply
    681,008,215.60x = 1,021,512,323.40 × 189,797,299.30
  4. Step 4: Simplify right side
    681,008,215.60x = 193,880,280,182,988,192
  5. Step 5: Solve for x
    x = 193,880,280,182,988,192/681,008,215.60
  6. Step 6: Final answer
    x = 284,695,948.95

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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.