Home / 198,915,768,998.40-298,366,752,556.80-49,857,040,243.20

Finding the Fourth Proportional to 198,915,768,998.40, 298,366,752,556.80 and 49,857,040,243.20

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Solution

The fourth proportional to 198,915,768,998.40, 298,366,752,556.80 and 49,857,040,243.20 is: 74,783,830,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,768,998.40 : 298,366,752,556.80 = 49,857,040,243.20 : x
  2. Step 2: Convert to fraction form
    198,915,768,998.40/298,366,752,556.80 = 49,857,040,243.20/x
  3. Step 3: Cross multiply
    198,915,768,998.40x = 298,366,752,556.80 × 49,857,040,243.20
  4. Step 4: Simplify right side
    198,915,768,998.40x = 14,875,683,189,457,273,487,360
  5. Step 5: Solve for x
    x = 14,875,683,189,457,273,487,360/198,915,768,998.40
  6. Step 6: Final answer
    x = 74,783,830,685.52

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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.