Home / 1,867,967,278.61-2,802,658,585.56-1,121,504,336.59

Finding the Fourth Proportional to 1,867,967,278.61, 2,802,658,585.56 and 1,121,504,336.59

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Solution

The fourth proportional to 1,867,967,278.61, 2,802,658,585.56 and 1,121,504,336.59 is: 1,682,681,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,967,278.61 : 2,802,658,585.56 = 1,121,504,336.59 : x
  2. Step 2: Convert to fraction form
    1,867,967,278.61/2,802,658,585.56 = 1,121,504,336.59/x
  3. Step 3: Cross multiply
    1,867,967,278.61x = 2,802,658,585.56 × 1,121,504,336.59
  4. Step 4: Simplify right side
    1,867,967,278.61x = 3,143,193,757,683,878,912
  5. Step 5: Solve for x
    x = 3,143,193,757,683,878,912/1,867,967,278.61
  6. Step 6: Final answer
    x = 1,682,681,379.75

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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.