Home / 2,621,036,939.80-3,931,555,409.70-2,207,788,418.20

Finding the Fourth Proportional to 2,621,036,939.80, 3,931,555,409.70 and 2,207,788,418.20

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Solution

The fourth proportional to 2,621,036,939.80, 3,931,555,409.70 and 2,207,788,418.20 is: 3,311,682,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,036,939.80 : 3,931,555,409.70 = 2,207,788,418.20 : x
  2. Step 2: Convert to fraction form
    2,621,036,939.80/3,931,555,409.70 = 2,207,788,418.20/x
  3. Step 3: Cross multiply
    2,621,036,939.80x = 3,931,555,409.70 × 2,207,788,418.20
  4. Step 4: Simplify right side
    2,621,036,939.80x = 8,680,042,499,047,215,104
  5. Step 5: Solve for x
    x = 8,680,042,499,047,215,104/2,621,036,939.80
  6. Step 6: Final answer
    x = 3,311,682,627.30

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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.