Home / 486,515,231,859.45-729,772,847,789.18-486,515,231,859.45

Finding the Fourth Proportional to 486,515,231,859.45, 729,772,847,789.18 and 486,515,231,859.45

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Solution

The fourth proportional to 486,515,231,859.45, 729,772,847,789.18 and 486,515,231,859.45 is: 729,772,847,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,515,231,859.45 : 729,772,847,789.18 = 486,515,231,859.45 : x
  2. Step 2: Convert to fraction form
    486,515,231,859.45/729,772,847,789.18 = 486,515,231,859.45/x
  3. Step 3: Cross multiply
    486,515,231,859.45x = 729,772,847,789.18 × 486,515,231,859.45
  4. Step 4: Simplify right side
    486,515,231,859.45x = 355,045,606,246,884,076,158,976
  5. Step 5: Solve for x
    x = 355,045,606,246,884,076,158,976/486,515,231,859.45
  6. Step 6: Final answer
    x = 729,772,847,789.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.