Home / 343,043,015.22-473,399,000.85-186,409,749.58

Finding the Fourth Proportional to 343,043,015.22, 473,399,000.85 and 186,409,749.58

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Solution

The fourth proportional to 343,043,015.22, 473,399,000.85 and 186,409,749.58 is: 257,245,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,043,015.22 : 473,399,000.85 = 186,409,749.58 : x
  2. Step 2: Convert to fraction form
    343,043,015.22/473,399,000.85 = 186,409,749.58/x
  3. Step 3: Cross multiply
    343,043,015.22x = 473,399,000.85 × 186,409,749.58
  4. Step 4: Simplify right side
    343,043,015.22x = 88,246,189,199,870,720
  5. Step 5: Solve for x
    x = 88,246,189,199,870,720/343,043,015.22
  6. Step 6: Final answer
    x = 257,245,258.71

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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.