Home / 378,132,493.20-567,198,739.80-236,202,316.80

Finding the Fourth Proportional to 378,132,493.20, 567,198,739.80 and 236,202,316.80

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Solution

The fourth proportional to 378,132,493.20, 567,198,739.80 and 236,202,316.80 is: 354,303,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,132,493.20 : 567,198,739.80 = 236,202,316.80 : x
  2. Step 2: Convert to fraction form
    378,132,493.20/567,198,739.80 = 236,202,316.80/x
  3. Step 3: Cross multiply
    378,132,493.20x = 567,198,739.80 × 236,202,316.80
  4. Step 4: Simplify right side
    378,132,493.20x = 133,973,656,426,800,368
  5. Step 5: Solve for x
    x = 133,973,656,426,800,368/378,132,493.20
  6. Step 6: Final answer
    x = 354,303,475.20

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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.