Home / 1,478,662,288,426.50-2,040,552,410,426.80-828,345,449,729

Finding the Fourth Proportional to 1,478,662,288,426.50, 2,040,552,410,426.80 and 828,345,449,729

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Solution

The fourth proportional to 1,478,662,288,426.50, 2,040,552,410,426.80 and 828,345,449,729 is: 1,143,115,853,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,662,288,426.50 : 2,040,552,410,426.80 = 828,345,449,729 : x
  2. Step 2: Convert to fraction form
    1,478,662,288,426.50/2,040,552,410,426.80 = 828,345,449,729/x
  3. Step 3: Cross multiply
    1,478,662,288,426.50x = 2,040,552,410,426.80 × 828,345,449,729
  4. Step 4: Simplify right side
    1,478,662,288,426.50x = 1,690,282,304,110,582,587,981,824
  5. Step 5: Solve for x
    x = 1,690,282,304,110,582,587,981,824/1,478,662,288,426.50
  6. Step 6: Final answer
    x = 1,143,115,853,660.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.