Home / 354,889,669.38-492,253,280.48-345,451,277.22

Finding the Fourth Proportional to 354,889,669.38, 492,253,280.48 and 345,451,277.22

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Solution

The fourth proportional to 354,889,669.38, 492,253,280.48 and 345,451,277.22 is: 479,161,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,889,669.38 : 492,253,280.48 = 345,451,277.22 : x
  2. Step 2: Convert to fraction form
    354,889,669.38/492,253,280.48 = 345,451,277.22/x
  3. Step 3: Cross multiply
    354,889,669.38x = 492,253,280.48 × 345,451,277.22
  4. Step 4: Simplify right side
    354,889,669.38x = 170,049,524,455,823,648
  5. Step 5: Solve for x
    x = 170,049,524,455,823,648/354,889,669.38
  6. Step 6: Final answer
    x = 479,161,663.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.