Home / 3,079,846,403.65-4,619,719,121.13-981,294,303.77

Finding the Fourth Proportional to 3,079,846,403.65, 4,619,719,121.13 and 981,294,303.77

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Solution

The fourth proportional to 3,079,846,403.65, 4,619,719,121.13 and 981,294,303.77 is: 1,471,925,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,846,403.65 : 4,619,719,121.13 = 981,294,303.77 : x
  2. Step 2: Convert to fraction form
    3,079,846,403.65/4,619,719,121.13 = 981,294,303.77/x
  3. Step 3: Cross multiply
    3,079,846,403.65x = 4,619,719,121.13 × 981,294,303.77
  4. Step 4: Simplify right side
    3,079,846,403.65x = 4,533,304,058,556,667,392
  5. Step 5: Solve for x
    x = 4,533,304,058,556,667,392/3,079,846,403.65
  6. Step 6: Final answer
    x = 1,471,925,370.43

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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.