Home / 354,889,667.88-492,253,278.39-345,451,275.72

Finding the Fourth Proportional to 354,889,667.88, 492,253,278.39 and 345,451,275.72

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Solution

The fourth proportional to 354,889,667.88, 492,253,278.39 and 345,451,275.72 is: 479,161,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,889,667.88 : 492,253,278.39 = 345,451,275.72 : x
  2. Step 2: Convert to fraction form
    354,889,667.88/492,253,278.39 = 345,451,275.72/x
  3. Step 3: Cross multiply
    354,889,667.88x = 492,253,278.39 × 345,451,275.72
  4. Step 4: Simplify right side
    354,889,667.88x = 170,049,522,997,177,824
  5. Step 5: Solve for x
    x = 170,049,522,997,177,824/354,889,667.88
  6. Step 6: Final answer
    x = 479,161,661.74

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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.