Home / 516,135,168.80-774,202,753.20-344,142,490.40

Finding the Fourth Proportional to 516,135,168.80, 774,202,753.20 and 344,142,490.40

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Solution

The fourth proportional to 516,135,168.80, 774,202,753.20 and 344,142,490.40 is: 516,213,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,135,168.80 : 774,202,753.20 = 344,142,490.40 : x
  2. Step 2: Convert to fraction form
    516,135,168.80/774,202,753.20 = 344,142,490.40/x
  3. Step 3: Cross multiply
    516,135,168.80x = 774,202,753.20 × 344,142,490.40
  4. Step 4: Simplify right side
    516,135,168.80x = 266,436,063,560,784,576
  5. Step 5: Solve for x
    x = 266,436,063,560,784,576/516,135,168.80
  6. Step 6: Final answer
    x = 516,213,735.60

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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.