Home / 19,920,132,755.55-27,489,716,463.37-10,887,885,629.74

Finding the Fourth Proportional to 19,920,132,755.55, 27,489,716,463.37 and 10,887,885,629.74

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Solution

The fourth proportional to 19,920,132,755.55, 27,489,716,463.37 and 10,887,885,629.74 is: 15,025,245,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,132,755.55 : 27,489,716,463.37 = 10,887,885,629.74 : x
  2. Step 2: Convert to fraction form
    19,920,132,755.55/27,489,716,463.37 = 10,887,885,629.74/x
  3. Step 3: Cross multiply
    19,920,132,755.55x = 27,489,716,463.37 × 10,887,885,629.74
  4. Step 4: Simplify right side
    19,920,132,755.55x = 299,304,888,847,192,227,840
  5. Step 5: Solve for x
    x = 299,304,888,847,192,227,840/19,920,132,755.55
  6. Step 6: Final answer
    x = 15,025,245,690.89

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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.