Home / 253,178,735.22-379,765,969.47-197,893,073.22

Finding the Fourth Proportional to 253,178,735.22, 379,765,969.47 and 197,893,073.22

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Solution

The fourth proportional to 253,178,735.22, 379,765,969.47 and 197,893,073.22 is: 296,837,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,178,735.22 : 379,765,969.47 = 197,893,073.22 : x
  2. Step 2: Convert to fraction form
    253,178,735.22/379,765,969.47 = 197,893,073.22/x
  3. Step 3: Cross multiply
    253,178,735.22x = 379,765,969.47 × 197,893,073.22
  4. Step 4: Simplify right side
    253,178,735.22x = 75,153,054,802,790,992
  5. Step 5: Solve for x
    x = 75,153,054,802,790,992/253,178,735.22
  6. Step 6: Final answer
    x = 296,837,942.32

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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.