Home / 393,662,026.80-590,493,040.20-120,997,364.40

Finding the Fourth Proportional to 393,662,026.80, 590,493,040.20 and 120,997,364.40

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Solution

The fourth proportional to 393,662,026.80, 590,493,040.20 and 120,997,364.40 is: 181,496,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,662,026.80 : 590,493,040.20 = 120,997,364.40 : x
  2. Step 2: Convert to fraction form
    393,662,026.80/590,493,040.20 = 120,997,364.40/x
  3. Step 3: Cross multiply
    393,662,026.80x = 590,493,040.20 × 120,997,364.40
  4. Step 4: Simplify right side
    393,662,026.80x = 71,448,101,560,743,256
  5. Step 5: Solve for x
    x = 71,448,101,560,743,256/393,662,026.80
  6. Step 6: Final answer
    x = 181,496,046.60

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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.