Home / 2,189,056,356.36-3,020,899,400.46-1,185,481,713.96

Finding the Fourth Proportional to 2,189,056,356.36, 3,020,899,400.46 and 1,185,481,713.96

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Solution

The fourth proportional to 2,189,056,356.36, 3,020,899,400.46 and 1,185,481,713.96 is: 1,635,965,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,056,356.36 : 3,020,899,400.46 = 1,185,481,713.96 : x
  2. Step 2: Convert to fraction form
    2,189,056,356.36/3,020,899,400.46 = 1,185,481,713.96/x
  3. Step 3: Cross multiply
    2,189,056,356.36x = 3,020,899,400.46 × 1,185,481,713.96
  4. Step 4: Simplify right side
    2,189,056,356.36x = 3,581,220,998,958,057,472
  5. Step 5: Solve for x
    x = 3,581,220,998,958,057,472/2,189,056,356.36
  6. Step 6: Final answer
    x = 1,635,965,647.28

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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.