Home / 70,391,729,700.32-97,142,428,045.87-38,278,970,006.54

Finding the Fourth Proportional to 70,391,729,700.32, 97,142,428,045.87 and 38,278,970,006.54

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Solution

The fourth proportional to 70,391,729,700.32, 97,142,428,045.87 and 38,278,970,006.54 is: 52,825,979,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391,729,700.32 : 97,142,428,045.87 = 38,278,970,006.54 : x
  2. Step 2: Convert to fraction form
    70,391,729,700.32/97,142,428,045.87 = 38,278,970,006.54/x
  3. Step 3: Cross multiply
    70,391,729,700.32x = 97,142,428,045.87 × 38,278,970,006.54
  4. Step 4: Simplify right side
    70,391,729,700.32x = 3,718,512,089,529,765,593,088
  5. Step 5: Solve for x
    x = 3,718,512,089,529,765,593,088/70,391,729,700.32
  6. Step 6: Final answer
    x = 52,825,979,775.76

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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.