Home / 20,261,347,449.82-27,960,662,131.17-11,229,688,643.05

Finding the Fourth Proportional to 20,261,347,449.82, 27,960,662,131.17 and 11,229,688,643.05

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Solution

The fourth proportional to 20,261,347,449.82, 27,960,662,131.17 and 11,229,688,643.05 is: 15,496,971,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,347,449.82 : 27,960,662,131.17 = 11,229,688,643.05 : x
  2. Step 2: Convert to fraction form
    20,261,347,449.82/27,960,662,131.17 = 11,229,688,643.05/x
  3. Step 3: Cross multiply
    20,261,347,449.82x = 27,960,662,131.17 × 11,229,688,643.05
  4. Step 4: Simplify right side
    20,261,347,449.82x = 313,989,529,986,446,065,664
  5. Step 5: Solve for x
    x = 313,989,529,986,446,065,664/20,261,347,449.82
  6. Step 6: Final answer
    x = 15,496,971,796.37

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1.5x scale

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.