Home / 494,857,379.40-742,097,112.30-149,696,291.40

Finding the Fourth Proportional to 494,857,379.40, 742,097,112.30 and 149,696,291.40

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Solution

The fourth proportional to 494,857,379.40, 742,097,112.30 and 149,696,291.40 is: 224,487,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,857,379.40 : 742,097,112.30 = 149,696,291.40 : x
  2. Step 2: Convert to fraction form
    494,857,379.40/742,097,112.30 = 149,696,291.40/x
  3. Step 3: Cross multiply
    494,857,379.40x = 742,097,112.30 × 149,696,291.40
  4. Step 4: Simplify right side
    494,857,379.40x = 111,089,185,569,959,328
  5. Step 5: Solve for x
    x = 111,089,185,569,959,328/494,857,379.40
  6. Step 6: Final answer
    x = 224,487,276.93

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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.