Home / 52,147,227,029.40-78,220,840,544.10-19,023,855,816.60

Finding the Fourth Proportional to 52,147,227,029.40, 78,220,840,544.10 and 19,023,855,816.60

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Solution

The fourth proportional to 52,147,227,029.40, 78,220,840,544.10 and 19,023,855,816.60 is: 28,535,783,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147,227,029.40 : 78,220,840,544.10 = 19,023,855,816.60 : x
  2. Step 2: Convert to fraction form
    52,147,227,029.40/78,220,840,544.10 = 19,023,855,816.60/x
  3. Step 3: Cross multiply
    52,147,227,029.40x = 78,220,840,544.10 × 19,023,855,816.60
  4. Step 4: Simplify right side
    52,147,227,029.40x = 1,488,061,992,364,217,991,168
  5. Step 5: Solve for x
    x = 1,488,061,992,364,217,991,168/52,147,227,029.40
  6. Step 6: Final answer
    x = 28,535,783,724.90

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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.