Home / 2,644,642,799.91-3,649,497,643.26-1,438,989,008.60

Finding the Fourth Proportional to 2,644,642,799.91, 3,649,497,643.26 and 1,438,989,008.60

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Solution

The fourth proportional to 2,644,642,799.91, 3,649,497,643.26 and 1,438,989,008.60 is: 1,985,745,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,642,799.91 : 3,649,497,643.26 = 1,438,989,008.60 : x
  2. Step 2: Convert to fraction form
    2,644,642,799.91/3,649,497,643.26 = 1,438,989,008.60/x
  3. Step 3: Cross multiply
    2,644,642,799.91x = 3,649,497,643.26 × 1,438,989,008.60
  4. Step 4: Simplify right side
    2,644,642,799.91x = 5,251,586,995,571,867,648
  5. Step 5: Solve for x
    x = 5,251,586,995,571,867,648/2,644,642,799.91
  6. Step 6: Final answer
    x = 1,985,745,294.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.