Home / 268,601,353.20-402,902,029.80-186,972,015.60

Finding the Fourth Proportional to 268,601,353.20, 402,902,029.80 and 186,972,015.60

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Solution

The fourth proportional to 268,601,353.20, 402,902,029.80 and 186,972,015.60 is: 280,458,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,601,353.20 : 402,902,029.80 = 186,972,015.60 : x
  2. Step 2: Convert to fraction form
    268,601,353.20/402,902,029.80 = 186,972,015.60/x
  3. Step 3: Cross multiply
    268,601,353.20x = 402,902,029.80 × 186,972,015.60
  4. Step 4: Simplify right side
    268,601,353.20x = 75,331,404,601,037,264
  5. Step 5: Solve for x
    x = 75,331,404,601,037,264/268,601,353.20
  6. Step 6: Final answer
    x = 280,458,023.40

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1.5x scale

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.