Home / 198,915,768,999.40-298,366,752,558.30-49,857,040,244.20

Finding the Fourth Proportional to 198,915,768,999.40, 298,366,752,558.30 and 49,857,040,244.20

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Solution

The fourth proportional to 198,915,768,999.40, 298,366,752,558.30 and 49,857,040,244.20 is: 74,783,830,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,768,999.40 : 298,366,752,558.30 = 49,857,040,244.20 : x
  2. Step 2: Convert to fraction form
    198,915,768,999.40/298,366,752,558.30 = 49,857,040,244.20/x
  3. Step 3: Cross multiply
    198,915,768,999.40x = 298,366,752,558.30 × 49,857,040,244.20
  4. Step 4: Simplify right side
    198,915,768,999.40x = 14,875,683,189,830,423,937,024
  5. Step 5: Solve for x
    x = 14,875,683,189,830,423,937,024/198,915,768,999.40
  6. Step 6: Final answer
    x = 74,783,830,687.02

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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.