Home / 683,443,982.40-1,025,066,440.80-198,719,246.40

Finding the Fourth Proportional to 683,443,982.40, 1,025,066,440.80 and 198,719,246.40

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Solution

The fourth proportional to 683,443,982.40, 1,025,066,440.80 and 198,719,246.40 is: 298,049,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,443,982.40 : 1,025,066,440.80 = 198,719,246.40 : x
  2. Step 2: Convert to fraction form
    683,443,982.40/1,025,066,440.80 = 198,719,246.40/x
  3. Step 3: Cross multiply
    683,443,982.40x = 1,025,066,440.80 × 198,719,246.40
  4. Step 4: Simplify right side
    683,443,982.40x = 203,700,430,625,706,208
  5. Step 5: Solve for x
    x = 203,700,430,625,706,208/683,443,982.40
  6. Step 6: Final answer
    x = 298,049,929.29

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1.5x scale

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.