Home / 787,392,022.80-1,181,088,034.20-328,226,998.80

Finding the Fourth Proportional to 787,392,022.80, 1,181,088,034.20 and 328,226,998.80

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Solution

The fourth proportional to 787,392,022.80, 1,181,088,034.20 and 328,226,998.80 is: 492,340,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,392,022.80 : 1,181,088,034.20 = 328,226,998.80 : x
  2. Step 2: Convert to fraction form
    787,392,022.80/1,181,088,034.20 = 328,226,998.80/x
  3. Step 3: Cross multiply
    787,392,022.80x = 1,181,088,034.20 × 328,226,998.80
  4. Step 4: Simplify right side
    787,392,022.80x = 387,664,980,784,057,792
  5. Step 5: Solve for x
    x = 387,664,980,784,057,792/787,392,022.80
  6. Step 6: Final answer
    x = 492,340,498.20

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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.