Home / 340,954,665.60-511,431,998.40-149,478,441.60

Finding the Fourth Proportional to 340,954,665.60, 511,431,998.40 and 149,478,441.60

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Solution

The fourth proportional to 340,954,665.60, 511,431,998.40 and 149,478,441.60 is: 224,217,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,954,665.60 : 511,431,998.40 = 149,478,441.60 : x
  2. Step 2: Convert to fraction form
    340,954,665.60/511,431,998.40 = 149,478,441.60/x
  3. Step 3: Cross multiply
    340,954,665.60x = 511,431,998.40 × 149,478,441.60
  4. Step 4: Simplify right side
    340,954,665.60x = 76,448,058,105,205,680
  5. Step 5: Solve for x
    x = 76,448,058,105,205,680/340,954,665.60
  6. Step 6: Final answer
    x = 224,217,662.40

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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.