Home / 865,885,010.25-1,299,044,077.02-252,469,236

Finding the Fourth Proportional to 865,885,010.25, 1,299,044,077.02 and 252,469,236

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Solution

The fourth proportional to 865,885,010.25, 1,299,044,077.02 and 252,469,236 is: 378,766,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,885,010.25 : 1,299,044,077.02 = 252,469,236 : x
  2. Step 2: Convert to fraction form
    865,885,010.25/1,299,044,077.02 = 252,469,236/x
  3. Step 3: Cross multiply
    865,885,010.25x = 1,299,044,077.02 × 252,469,236
  4. Step 4: Simplify right side
    865,885,010.25x = 327,968,665,655,564,544
  5. Step 5: Solve for x
    x = 327,968,665,655,564,544/865,885,010.25
  6. Step 6: Final answer
    x = 378,766,997.67

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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.