Home / 539,776,020.80-809,664,031.20-267,678,228.80

Finding the Fourth Proportional to 539,776,020.80, 809,664,031.20 and 267,678,228.80

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Solution

The fourth proportional to 539,776,020.80, 809,664,031.20 and 267,678,228.80 is: 401,517,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,776,020.80 : 809,664,031.20 = 267,678,228.80 : x
  2. Step 2: Convert to fraction form
    539,776,020.80/809,664,031.20 = 267,678,228.80/x
  3. Step 3: Cross multiply
    539,776,020.80x = 809,664,031.20 × 267,678,228.80
  4. Step 4: Simplify right side
    539,776,020.80x = 216,729,433,794,683,968
  5. Step 5: Solve for x
    x = 216,729,433,794,683,968/539,776,020.80
  6. Step 6: Final answer
    x = 401,517,343.20

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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.