Home / 444,531,568.42-666,538,887.15-168,204,128.84

Finding the Fourth Proportional to 444,531,568.42, 666,538,887.15 and 168,204,128.84

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Solution

The fourth proportional to 444,531,568.42, 666,538,887.15 and 168,204,128.84 is: 252,208,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,531,568.42 : 666,538,887.15 = 168,204,128.84 : x
  2. Step 2: Convert to fraction form
    444,531,568.42/666,538,887.15 = 168,204,128.84/x
  3. Step 3: Cross multiply
    444,531,568.42x = 666,538,887.15 × 168,204,128.84
  4. Step 4: Simplify right side
    444,531,568.42x = 112,114,592,851,048,816
  5. Step 5: Solve for x
    x = 112,114,592,851,048,816/444,531,568.42
  6. Step 6: Final answer
    x = 252,208,393.77

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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.