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Finding the Fourth Proportional to 197,297,030.70, 276,669,339.30 and 197,297,030.70

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Solution

The fourth proportional to 197,297,030.70, 276,669,339.30 and 197,297,030.70 is: 276,669,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,297,030.70 : 276,669,339.30 = 197,297,030.70 : x
  2. Step 2: Convert to fraction form
    197,297,030.70/276,669,339.30 = 197,297,030.70/x
  3. Step 3: Cross multiply
    197,297,030.70x = 276,669,339.30 × 197,297,030.70
  4. Step 4: Simplify right side
    197,297,030.70x = 54,586,039,129,620,816
  5. Step 5: Solve for x
    x = 54,586,039,129,620,816/197,297,030.70
  6. Step 6: Final answer
    x = 276,669,339.30

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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.