Home / 2,578,326,630.40-3,867,079,372.80-855,040,614.40

Finding the Fourth Proportional to 2,578,326,630.40, 3,867,079,372.80 and 855,040,614.40

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Solution

The fourth proportional to 2,578,326,630.40, 3,867,079,372.80 and 855,040,614.40 is: 1,282,424,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,326,630.40 : 3,867,079,372.80 = 855,040,614.40 : x
  2. Step 2: Convert to fraction form
    2,578,326,630.40/3,867,079,372.80 = 855,040,614.40/x
  3. Step 3: Cross multiply
    2,578,326,630.40x = 3,867,079,372.80 × 855,040,614.40
  4. Step 4: Simplify right side
    2,578,326,630.40x = 3,306,509,922,852,478,464
  5. Step 5: Solve for x
    x = 3,306,509,922,852,478,464/2,578,326,630.40
  6. Step 6: Final answer
    x = 1,282,424,764.91

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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.