Home / 198,902,992,557.60-298,356,856,433.68-55,473,294,182.48

Finding the Fourth Proportional to 198,902,992,557.60, 298,356,856,433.68 and 55,473,294,182.48

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Solution

The fourth proportional to 198,902,992,557.60, 298,356,856,433.68 and 55,473,294,182.48 is: 83,210,601,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,902,992,557.60 : 298,356,856,433.68 = 55,473,294,182.48 : x
  2. Step 2: Convert to fraction form
    198,902,992,557.60/298,356,856,433.68 = 55,473,294,182.48/x
  3. Step 3: Cross multiply
    198,902,992,557.60x = 298,356,856,433.68 × 55,473,294,182.48
  4. Step 4: Simplify right side
    198,902,992,557.60x = 16,550,837,668,305,482,809,344
  5. Step 5: Solve for x
    x = 16,550,837,668,305,482,809,344/198,902,992,557.60
  6. Step 6: Final answer
    x = 83,210,601,587.67

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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.