Home / 22,420,718,418.51-33,631,109,995.62-9,155,976,699.64

Finding the Fourth Proportional to 22,420,718,418.51, 33,631,109,995.62 and 9,155,976,699.64

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Solution

The fourth proportional to 22,420,718,418.51, 33,631,109,995.62 and 9,155,976,699.64 is: 13,733,978,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420,718,418.51 : 33,631,109,995.62 = 9,155,976,699.64 : x
  2. Step 2: Convert to fraction form
    22,420,718,418.51/33,631,109,995.62 = 9,155,976,699.64/x
  3. Step 3: Cross multiply
    22,420,718,418.51x = 33,631,109,995.62 × 9,155,976,699.64
  4. Step 4: Simplify right side
    22,420,718,418.51x = 307,925,659,502,926,561,280
  5. Step 5: Solve for x
    x = 307,925,659,502,926,561,280/22,420,718,418.51
  6. Step 6: Final answer
    x = 13,733,978,267.56

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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.