Home / 898,631,272.40-1,347,946,908.60-217,826,920.40

Finding the Fourth Proportional to 898,631,272.40, 1,347,946,908.60 and 217,826,920.40

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Solution

The fourth proportional to 898,631,272.40, 1,347,946,908.60 and 217,826,920.40 is: 326,740,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,631,272.40 : 1,347,946,908.60 = 217,826,920.40 : x
  2. Step 2: Convert to fraction form
    898,631,272.40/1,347,946,908.60 = 217,826,920.40/x
  3. Step 3: Cross multiply
    898,631,272.40x = 1,347,946,908.60 × 217,826,920.40
  4. Step 4: Simplify right side
    898,631,272.40x = 293,619,123,963,038,272
  5. Step 5: Solve for x
    x = 293,619,123,963,038,272/898,631,272.40
  6. Step 6: Final answer
    x = 326,740,380.60

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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.