Home / 516,099,287.20-774,148,930.80-192,941,168.80

Finding the Fourth Proportional to 516,099,287.20, 774,148,930.80 and 192,941,168.80

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Solution

The fourth proportional to 516,099,287.20, 774,148,930.80 and 192,941,168.80 is: 289,411,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,099,287.20 : 774,148,930.80 = 192,941,168.80 : x
  2. Step 2: Convert to fraction form
    516,099,287.20/774,148,930.80 = 192,941,168.80/x
  3. Step 3: Cross multiply
    516,099,287.20x = 774,148,930.80 × 192,941,168.80
  4. Step 4: Simplify right side
    516,099,287.20x = 149,365,199,533,822,304
  5. Step 5: Solve for x
    x = 149,365,199,533,822,304/516,099,287.20
  6. Step 6: Final answer
    x = 289,411,753.20

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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.