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Finding the Fourth Proportional to 275,453,445.60, 412,223,574.60 and 189,360,003.60

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Solution

The fourth proportional to 275,453,445.60, 412,223,574.60 and 189,360,003.60 is: 283,382,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,453,445.60 : 412,223,574.60 = 189,360,003.60 : x
  2. Step 2: Convert to fraction form
    275,453,445.60/412,223,574.60 = 189,360,003.60/x
  3. Step 3: Cross multiply
    275,453,445.60x = 412,223,574.60 × 189,360,003.60
  4. Step 4: Simplify right side
    275,453,445.60x = 78,058,657,570,260,864
  5. Step 5: Solve for x
    x = 78,058,657,570,260,864/275,453,445.60
  6. Step 6: Final answer
    x = 283,382,396.62

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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.