Home / 209,760,193,243.20-314,640,289,864.80-206,277,341,505.60

Finding the Fourth Proportional to 209,760,193,243.20, 314,640,289,864.80 and 206,277,341,505.60

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Solution

The fourth proportional to 209,760,193,243.20, 314,640,289,864.80 and 206,277,341,505.60 is: 309,416,012,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,760,193,243.20 : 314,640,289,864.80 = 206,277,341,505.60 : x
  2. Step 2: Convert to fraction form
    209,760,193,243.20/314,640,289,864.80 = 206,277,341,505.60/x
  3. Step 3: Cross multiply
    209,760,193,243.20x = 314,640,289,864.80 × 206,277,341,505.60
  4. Step 4: Simplify right side
    209,760,193,243.20x = 64,903,162,523,862,322,642,944
  5. Step 5: Solve for x
    x = 64,903,162,523,862,322,642,944/209,760,193,243.20
  6. Step 6: Final answer
    x = 309,416,012,258.40

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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.