Home / 805,861,736.33-1,209,039,300.14-412,666,959.41

Finding the Fourth Proportional to 805,861,736.33, 1,209,039,300.14 and 412,666,959.41

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Solution

The fourth proportional to 805,861,736.33, 1,209,039,300.14 and 412,666,959.41 is: 619,126,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,861,736.33 : 1,209,039,300.14 = 412,666,959.41 : x
  2. Step 2: Convert to fraction form
    805,861,736.33/1,209,039,300.14 = 412,666,959.41/x
  3. Step 3: Cross multiply
    805,861,736.33x = 1,209,039,300.14 × 412,666,959.41
  4. Step 4: Simplify right side
    805,861,736.33x = 498,930,571,792,393,536
  5. Step 5: Solve for x
    x = 498,930,571,792,393,536/805,861,736.33
  6. Step 6: Final answer
    x = 619,126,767.41

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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.