Home / 552,080,221.20-828,792,178.20-279,310,582.80

Finding the Fourth Proportional to 552,080,221.20, 828,792,178.20 and 279,310,582.80

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Solution

The fourth proportional to 552,080,221.20, 828,792,178.20 and 279,310,582.80 is: 419,305,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,080,221.20 : 828,792,178.20 = 279,310,582.80 : x
  2. Step 2: Convert to fraction form
    552,080,221.20/828,792,178.20 = 279,310,582.80/x
  3. Step 3: Cross multiply
    552,080,221.20x = 828,792,178.20 × 279,310,582.80
  4. Step 4: Simplify right side
    552,080,221.20x = 231,490,426,313,123,488
  5. Step 5: Solve for x
    x = 231,490,426,313,123,488/552,080,221.20
  6. Step 6: Final answer
    x = 419,305,777.36

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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.