Home / 898,631,258.40-1,347,946,887.60-217,826,906.40

Finding the Fourth Proportional to 898,631,258.40, 1,347,946,887.60 and 217,826,906.40

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Solution

The fourth proportional to 898,631,258.40, 1,347,946,887.60 and 217,826,906.40 is: 326,740,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,631,258.40 : 1,347,946,887.60 = 217,826,906.40 : x
  2. Step 2: Convert to fraction form
    898,631,258.40/1,347,946,887.60 = 217,826,906.40/x
  3. Step 3: Cross multiply
    898,631,258.40x = 1,347,946,887.60 × 217,826,906.40
  4. Step 4: Simplify right side
    898,631,258.40x = 293,619,100,517,416,512
  5. Step 5: Solve for x
    x = 293,619,100,517,416,512/898,631,258.40
  6. Step 6: Final answer
    x = 326,740,359.60

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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.