Home / 2,220,945,799.26-3,311,562,872.13-2,159,927,072.94

Finding the Fourth Proportional to 2,220,945,799.26, 3,311,562,872.13 and 2,159,927,072.94

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Solution

The fourth proportional to 2,220,945,799.26, 3,311,562,872.13 and 2,159,927,072.94 is: 3,220,580,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,945,799.26 : 3,311,562,872.13 = 2,159,927,072.94 : x
  2. Step 2: Convert to fraction form
    2,220,945,799.26/3,311,562,872.13 = 2,159,927,072.94/x
  3. Step 3: Cross multiply
    2,220,945,799.26x = 3,311,562,872.13 × 2,159,927,072.94
  4. Step 4: Simplify right side
    2,220,945,799.26x = 7,152,734,301,256,530,944
  5. Step 5: Solve for x
    x = 7,152,734,301,256,530,944/2,220,945,799.26
  6. Step 6: Final answer
    x = 3,220,580,305.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.