Home / 305,811,733.79-422,006,579.02-178,664,197.25

Finding the Fourth Proportional to 305,811,733.79, 422,006,579.02 and 178,664,197.25

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Solution

The fourth proportional to 305,811,733.79, 422,006,579.02 and 178,664,197.25 is: 246,548,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,811,733.79 : 422,006,579.02 = 178,664,197.25 : x
  2. Step 2: Convert to fraction form
    305,811,733.79/422,006,579.02 = 178,664,197.25/x
  3. Step 3: Cross multiply
    305,811,733.79x = 422,006,579.02 × 178,664,197.25
  4. Step 4: Simplify right side
    305,811,733.79x = 75,397,466,674,826,992
  5. Step 5: Solve for x
    x = 75,397,466,674,826,992/305,811,733.79
  6. Step 6: Final answer
    x = 246,548,638.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.