Home / 1,642,537,078.88-2,463,805,646.88-398,959,163.16

Finding the Fourth Proportional to 1,642,537,078.88, 2,463,805,646.88 and 398,959,163.16

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Solution

The fourth proportional to 1,642,537,078.88, 2,463,805,646.88 and 398,959,163.16 is: 598,438,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,537,078.88 : 2,463,805,646.88 = 398,959,163.16 : x
  2. Step 2: Convert to fraction form
    1,642,537,078.88/2,463,805,646.88 = 398,959,163.16/x
  3. Step 3: Cross multiply
    1,642,537,078.88x = 2,463,805,646.88 × 398,959,163.16
  4. Step 4: Simplify right side
    1,642,537,078.88x = 982,957,839,068,127,360
  5. Step 5: Solve for x
    x = 982,957,839,068,127,360/1,642,537,078.88
  6. Step 6: Final answer
    x = 598,438,751.68

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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.