Home / 494,721,533.20-742,166,280.60-149,672,419.60

Finding the Fourth Proportional to 494,721,533.20, 742,166,280.60 and 149,672,419.60

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Solution

The fourth proportional to 494,721,533.20, 742,166,280.60 and 149,672,419.60 is: 224,534,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,721,533.20 : 742,166,280.60 = 149,672,419.60 : x
  2. Step 2: Convert to fraction form
    494,721,533.20/742,166,280.60 = 149,672,419.60/x
  3. Step 3: Cross multiply
    494,721,533.20x = 742,166,280.60 × 149,672,419.60
  4. Step 4: Simplify right side
    494,721,533.20x = 111,081,822,962,934,544
  5. Step 5: Solve for x
    x = 111,081,822,962,934,544/494,721,533.20
  6. Step 6: Final answer
    x = 224,534,036.84

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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.