Home / 820,054,789.74-1,230,136,729.94-288,201,889.24

Finding the Fourth Proportional to 820,054,789.74, 1,230,136,729.94 and 288,201,889.24

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Solution

The fourth proportional to 820,054,789.74, 1,230,136,729.94 and 288,201,889.24 is: 432,322,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,054,789.74 : 1,230,136,729.94 = 288,201,889.24 : x
  2. Step 2: Convert to fraction form
    820,054,789.74/1,230,136,729.94 = 288,201,889.24/x
  3. Step 3: Cross multiply
    820,054,789.74x = 1,230,136,729.94 × 288,201,889.24
  4. Step 4: Simplify right side
    820,054,789.74x = 354,527,729,589,868,864
  5. Step 5: Solve for x
    x = 354,527,729,589,868,864/820,054,789.74
  6. Step 6: Final answer
    x = 432,322,003.39

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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.