Home / 205,951,612,868.28-308,760,708,868.50-64,388,166,187.32

Finding the Fourth Proportional to 205,951,612,868.28, 308,760,708,868.50 and 64,388,166,187.32

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Solution

The fourth proportional to 205,951,612,868.28, 308,760,708,868.50 and 64,388,166,187.32 is: 96,530,129,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,951,612,868.28 : 308,760,708,868.50 = 64,388,166,187.32 : x
  2. Step 2: Convert to fraction form
    205,951,612,868.28/308,760,708,868.50 = 64,388,166,187.32/x
  3. Step 3: Cross multiply
    205,951,612,868.28x = 308,760,708,868.50 × 64,388,166,187.32
  4. Step 4: Simplify right side
    205,951,612,868.28x = 19,880,535,834,739,704,070,144
  5. Step 5: Solve for x
    x = 19,880,535,834,739,704,070,144/205,951,612,868.28
  6. Step 6: Final answer
    x = 96,530,129,372.94

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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.