Home / 393,498,005.40-590,624,921.70-336,055,138.20

Finding the Fourth Proportional to 393,498,005.40, 590,624,921.70 and 336,055,138.20

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Solution

The fourth proportional to 393,498,005.40, 590,624,921.70 and 336,055,138.20 is: 504,405,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,498,005.40 : 590,624,921.70 = 336,055,138.20 : x
  2. Step 2: Convert to fraction form
    393,498,005.40/590,624,921.70 = 336,055,138.20/x
  3. Step 3: Cross multiply
    393,498,005.40x = 590,624,921.70 × 336,055,138.20
  4. Step 4: Simplify right side
    393,498,005.40x = 198,482,539,686,257,696
  5. Step 5: Solve for x
    x = 198,482,539,686,257,696/393,498,005.40
  6. Step 6: Final answer
    x = 504,405,453.05

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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.