Home / 442,868,138.60-664,302,207.90-151,638,470.60

Finding the Fourth Proportional to 442,868,138.60, 664,302,207.90 and 151,638,470.60

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Solution

The fourth proportional to 442,868,138.60, 664,302,207.90 and 151,638,470.60 is: 227,457,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,138.60 : 664,302,207.90 = 151,638,470.60 : x
  2. Step 2: Convert to fraction form
    442,868,138.60/664,302,207.90 = 151,638,470.60/x
  3. Step 3: Cross multiply
    442,868,138.60x = 664,302,207.90 × 151,638,470.60
  4. Step 4: Simplify right side
    442,868,138.60x = 100,733,770,822,159,232
  5. Step 5: Solve for x
    x = 100,733,770,822,159,232/442,868,138.60
  6. Step 6: Final answer
    x = 227,457,705.90

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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.