Home / 654,226,876.80-981,340,315.20-395,946,550.80

Finding the Fourth Proportional to 654,226,876.80, 981,340,315.20 and 395,946,550.80

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Solution

The fourth proportional to 654,226,876.80, 981,340,315.20 and 395,946,550.80 is: 593,919,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,226,876.80 : 981,340,315.20 = 395,946,550.80 : x
  2. Step 2: Convert to fraction form
    654,226,876.80/981,340,315.20 = 395,946,550.80/x
  3. Step 3: Cross multiply
    654,226,876.80x = 981,340,315.20 × 395,946,550.80
  4. Step 4: Simplify right side
    654,226,876.80x = 388,558,312,964,424,832
  5. Step 5: Solve for x
    x = 388,558,312,964,424,832/654,226,876.80
  6. Step 6: Final answer
    x = 593,919,826.20

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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.