Home / 198,915,768,938.40-298,366,752,466.80-49,857,040,183.20

Finding the Fourth Proportional to 198,915,768,938.40, 298,366,752,466.80 and 49,857,040,183.20

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Solution

The fourth proportional to 198,915,768,938.40, 298,366,752,466.80 and 49,857,040,183.20 is: 74,783,830,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,768,938.40 : 298,366,752,466.80 = 49,857,040,183.20 : x
  2. Step 2: Convert to fraction form
    198,915,768,938.40/298,366,752,466.80 = 49,857,040,183.20/x
  3. Step 3: Cross multiply
    198,915,768,938.40x = 298,366,752,466.80 × 49,857,040,183.20
  4. Step 4: Simplify right side
    198,915,768,938.40x = 14,875,683,167,068,133,261,312
  5. Step 5: Solve for x
    x = 14,875,683,167,068,133,261,312/198,915,768,938.40
  6. Step 6: Final answer
    x = 74,783,830,595.53

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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.