Home / 65,545,910,589.72-90,453,355,515.66-35,472,395,131.08

Finding the Fourth Proportional to 65,545,910,589.72, 90,453,355,515.66 and 35,472,395,131.08

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Solution

The fourth proportional to 65,545,910,589.72, 90,453,355,515.66 and 35,472,395,131.08 is: 48,951,904,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,545,910,589.72 : 90,453,355,515.66 = 35,472,395,131.08 : x
  2. Step 2: Convert to fraction form
    65,545,910,589.72/90,453,355,515.66 = 35,472,395,131.08/x
  3. Step 3: Cross multiply
    65,545,910,589.72x = 90,453,355,515.66 × 35,472,395,131.08
  4. Step 4: Simplify right side
    65,545,910,589.72x = 3,208,597,167,783,546,454,016
  5. Step 5: Solve for x
    x = 3,208,597,167,783,546,454,016/65,545,910,589.72
  6. Step 6: Final answer
    x = 48,951,904,686.59

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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.