Home / 598,766,806.40-898,150,209.60-339,881,993.60

Finding the Fourth Proportional to 598,766,806.40, 898,150,209.60 and 339,881,993.60

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Solution

The fourth proportional to 598,766,806.40, 898,150,209.60 and 339,881,993.60 is: 509,822,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,766,806.40 : 898,150,209.60 = 339,881,993.60 : x
  2. Step 2: Convert to fraction form
    598,766,806.40/898,150,209.60 = 339,881,993.60/x
  3. Step 3: Cross multiply
    598,766,806.40x = 898,150,209.60 × 339,881,993.60
  4. Step 4: Simplify right side
    598,766,806.40x = 305,265,083,791,105,920
  5. Step 5: Solve for x
    x = 305,265,083,791,105,920/598,766,806.40
  6. Step 6: Final answer
    x = 509,822,990.40

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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.