Home / 444,531,415.60-666,538,658.28-168,203,975.92

Finding the Fourth Proportional to 444,531,415.60, 666,538,658.28 and 168,203,975.92

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Solution

The fourth proportional to 444,531,415.60, 666,538,658.28 and 168,203,975.92 is: 252,208,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,531,415.60 : 666,538,658.28 = 168,203,975.92 : x
  2. Step 2: Convert to fraction form
    444,531,415.60/666,538,658.28 = 168,203,975.92/x
  3. Step 3: Cross multiply
    444,531,415.60x = 666,538,658.28 × 168,203,975.92
  4. Step 4: Simplify right side
    444,531,415.60x = 112,114,452,427,078,208
  5. Step 5: Solve for x
    x = 112,114,452,427,078,208/444,531,415.60
  6. Step 6: Final answer
    x = 252,208,164.58

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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.