Home / 1,057,536,209.20-1,586,304,313.80-443,916,497.20

Finding the Fourth Proportional to 1,057,536,209.20, 1,586,304,313.80 and 443,916,497.20

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Solution

The fourth proportional to 1,057,536,209.20, 1,586,304,313.80 and 443,916,497.20 is: 665,874,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,536,209.20 : 1,586,304,313.80 = 443,916,497.20 : x
  2. Step 2: Convert to fraction form
    1,057,536,209.20/1,586,304,313.80 = 443,916,497.20/x
  3. Step 3: Cross multiply
    1,057,536,209.20x = 1,586,304,313.80 × 443,916,497.20
  4. Step 4: Simplify right side
    1,057,536,209.20x = 704,186,654,475,345,536
  5. Step 5: Solve for x
    x = 704,186,654,475,345,536/1,057,536,209.20
  6. Step 6: Final answer
    x = 665,874,745.80

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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.