Home / 1,285,589,940.42-1,928,633,120.55-548,649,089.22

Finding the Fourth Proportional to 1,285,589,940.42, 1,928,633,120.55 and 548,649,089.22

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Solution

The fourth proportional to 1,285,589,940.42, 1,928,633,120.55 and 548,649,089.22 is: 823,079,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,589,940.42 : 1,928,633,120.55 = 548,649,089.22 : x
  2. Step 2: Convert to fraction form
    1,285,589,940.42/1,928,633,120.55 = 548,649,089.22/x
  3. Step 3: Cross multiply
    1,285,589,940.42x = 1,928,633,120.55 × 548,649,089.22
  4. Step 4: Simplify right side
    1,285,589,940.42x = 1,058,142,805,029,283,968
  5. Step 5: Solve for x
    x = 1,058,142,805,029,283,968/1,285,589,940.42
  6. Step 6: Final answer
    x = 823,079,561.97

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1.5x scale

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.