Home / 70,391,729,715.44-97,142,428,066.74-38,278,970,021.66

Finding the Fourth Proportional to 70,391,729,715.44, 97,142,428,066.74 and 38,278,970,021.66

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Solution

The fourth proportional to 70,391,729,715.44, 97,142,428,066.74 and 38,278,970,021.66 is: 52,825,979,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391,729,715.44 : 97,142,428,066.74 = 38,278,970,021.66 : x
  2. Step 2: Convert to fraction form
    70,391,729,715.44/97,142,428,066.74 = 38,278,970,021.66/x
  3. Step 3: Cross multiply
    70,391,729,715.44x = 97,142,428,066.74 × 38,278,970,021.66
  4. Step 4: Simplify right side
    70,391,729,715.44x = 3,718,512,091,798,003,777,536
  5. Step 5: Solve for x
    x = 3,718,512,091,798,003,777,536/70,391,729,715.44
  6. Step 6: Final answer
    x = 52,825,979,796.63

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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.