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Finding the Fourth Proportional to 197,296,799.70, 276,669,015.90 and 197,296,799.70

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Solution

The fourth proportional to 197,296,799.70, 276,669,015.90 and 197,296,799.70 is: 276,669,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,296,799.70 : 276,669,015.90 = 197,296,799.70 : x
  2. Step 2: Convert to fraction form
    197,296,799.70/276,669,015.90 = 197,296,799.70/x
  3. Step 3: Cross multiply
    197,296,799.70x = 276,669,015.90 × 197,296,799.70
  4. Step 4: Simplify right side
    197,296,799.70x = 54,585,911,413,218,408
  5. Step 5: Solve for x
    x = 54,585,911,413,218,408/197,296,799.70
  6. Step 6: Final answer
    x = 276,669,015.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.