Home / 393,986,486.40-590,979,729.60-262,472,553.60

Finding the Fourth Proportional to 393,986,486.40, 590,979,729.60 and 262,472,553.60

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Solution

The fourth proportional to 393,986,486.40, 590,979,729.60 and 262,472,553.60 is: 393,708,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,986,486.40 : 590,979,729.60 = 262,472,553.60 : x
  2. Step 2: Convert to fraction form
    393,986,486.40/590,979,729.60 = 262,472,553.60/x
  3. Step 3: Cross multiply
    393,986,486.40x = 590,979,729.60 × 262,472,553.60
  4. Step 4: Simplify right side
    393,986,486.40x = 155,115,958,753,949,504
  5. Step 5: Solve for x
    x = 155,115,958,753,949,504/393,986,486.40
  6. Step 6: Final answer
    x = 393,708,830.40

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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.