Home / 335,003,019.60-502,504,529.40-257,518,921.80

Finding the Fourth Proportional to 335,003,019.60, 502,504,529.40 and 257,518,921.80

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Solution

The fourth proportional to 335,003,019.60, 502,504,529.40 and 257,518,921.80 is: 386,278,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,003,019.60 : 502,504,529.40 = 257,518,921.80 : x
  2. Step 2: Convert to fraction form
    335,003,019.60/502,504,529.40 = 257,518,921.80/x
  3. Step 3: Cross multiply
    335,003,019.60x = 502,504,529.40 × 257,518,921.80
  4. Step 4: Simplify right side
    335,003,019.60x = 129,404,424,610,704,400
  5. Step 5: Solve for x
    x = 129,404,424,610,704,400/335,003,019.60
  6. Step 6: Final answer
    x = 386,278,382.70

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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.