Home / 494,815,076.20-742,306,595.10-149,765,962.60

Finding the Fourth Proportional to 494,815,076.20, 742,306,595.10 and 149,765,962.60

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Solution

The fourth proportional to 494,815,076.20, 742,306,595.10 and 149,765,962.60 is: 224,674,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,815,076.20 : 742,306,595.10 = 149,765,962.60 : x
  2. Step 2: Convert to fraction form
    494,815,076.20/742,306,595.10 = 149,765,962.60/x
  3. Step 3: Cross multiply
    494,815,076.20x = 742,306,595.10 × 149,765,962.60
  4. Step 4: Simplify right side
    494,815,076.20x = 111,172,261,759,479,936
  5. Step 5: Solve for x
    x = 111,172,261,759,479,936/494,815,076.20
  6. Step 6: Final answer
    x = 224,674,362.42

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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.