Home / 494,738,542.20-742,191,794.10-149,689,428.60

Finding the Fourth Proportional to 494,738,542.20, 742,191,794.10 and 149,689,428.60

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Solution

The fourth proportional to 494,738,542.20, 742,191,794.10 and 149,689,428.60 is: 224,559,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,738,542.20 : 742,191,794.10 = 149,689,428.60 : x
  2. Step 2: Convert to fraction form
    494,738,542.20/742,191,794.10 = 149,689,428.60/x
  3. Step 3: Cross multiply
    494,738,542.20x = 742,191,794.10 × 149,689,428.60
  4. Step 4: Simplify right side
    494,738,542.20x = 111,098,265,570,437,856
  5. Step 5: Solve for x
    x = 111,098,265,570,437,856/494,738,542.20
  6. Step 6: Final answer
    x = 224,559,552.36

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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.