Home / 816,379,862.57-1,126,571,760.61-481,960,111.32

Finding the Fourth Proportional to 816,379,862.57, 1,126,571,760.61 and 481,960,111.32

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Solution

The fourth proportional to 816,379,862.57, 1,126,571,760.61 and 481,960,111.32 is: 665,085,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,379,862.57 : 1,126,571,760.61 = 481,960,111.32 : x
  2. Step 2: Convert to fraction form
    816,379,862.57/1,126,571,760.61 = 481,960,111.32/x
  3. Step 3: Cross multiply
    816,379,862.57x = 1,126,571,760.61 × 481,960,111.32
  4. Step 4: Simplify right side
    816,379,862.57x = 542,962,651,146,726,272
  5. Step 5: Solve for x
    x = 542,962,651,146,726,272/816,379,862.57
  6. Step 6: Final answer
    x = 665,085,796.50

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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.