Home / 431,962,932.44-647,973,130.38-151,809,964.29

Finding the Fourth Proportional to 431,962,932.44, 647,973,130.38 and 151,809,964.29

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Solution

The fourth proportional to 431,962,932.44, 647,973,130.38 and 151,809,964.29 is: 227,725,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,962,932.44 : 647,973,130.38 = 151,809,964.29 : x
  2. Step 2: Convert to fraction form
    431,962,932.44/647,973,130.38 = 151,809,964.29/x
  3. Step 3: Cross multiply
    431,962,932.44x = 647,973,130.38 × 151,809,964.29
  4. Step 4: Simplify right side
    431,962,932.44x = 98,368,777,783,298,032
  5. Step 5: Solve for x
    x = 98,368,777,783,298,032/431,962,932.44
  6. Step 6: Final answer
    x = 227,725,043.97

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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.