Home / 263,815,996.80-395,723,995.20-194,941,243.20

Finding the Fourth Proportional to 263,815,996.80, 395,723,995.20 and 194,941,243.20

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Solution

The fourth proportional to 263,815,996.80, 395,723,995.20 and 194,941,243.20 is: 292,411,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,815,996.80 : 395,723,995.20 = 194,941,243.20 : x
  2. Step 2: Convert to fraction form
    263,815,996.80/395,723,995.20 = 194,941,243.20/x
  3. Step 3: Cross multiply
    263,815,996.80x = 395,723,995.20 × 194,941,243.20
  4. Step 4: Simplify right side
    263,815,996.80x = 77,142,927,588,358,832
  5. Step 5: Solve for x
    x = 77,142,927,588,358,832/263,815,996.80
  6. Step 6: Final answer
    x = 292,411,864.80

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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.