Home / 299,017,342.20-448,526,013.30-294,986,263.80

Finding the Fourth Proportional to 299,017,342.20, 448,526,013.30 and 294,986,263.80

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Solution

The fourth proportional to 299,017,342.20, 448,526,013.30 and 294,986,263.80 is: 442,479,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,017,342.20 : 448,526,013.30 = 294,986,263.80 : x
  2. Step 2: Convert to fraction form
    299,017,342.20/448,526,013.30 = 294,986,263.80/x
  3. Step 3: Cross multiply
    299,017,342.20x = 448,526,013.30 × 294,986,263.80
  4. Step 4: Simplify right side
    299,017,342.20x = 132,309,012,880,476,112
  5. Step 5: Solve for x
    x = 132,309,012,880,476,112/299,017,342.20
  6. Step 6: Final answer
    x = 442,479,395.70

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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.