Home / 39,318,739,836.40-59,020,080,270.56-16,945,529,447.28

Finding the Fourth Proportional to 39,318,739,836.40, 59,020,080,270.56 and 16,945,529,447.28

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Solution

The fourth proportional to 39,318,739,836.40, 59,020,080,270.56 and 16,945,529,447.28 is: 25,436,382,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318,739,836.40 : 59,020,080,270.56 = 16,945,529,447.28 : x
  2. Step 2: Convert to fraction form
    39,318,739,836.40/59,020,080,270.56 = 16,945,529,447.28/x
  3. Step 3: Cross multiply
    39,318,739,836.40x = 59,020,080,270.56 × 16,945,529,447.28
  4. Step 4: Simplify right side
    39,318,739,836.40x = 1,000,126,508,205,603,815,424
  5. Step 5: Solve for x
    x = 1,000,126,508,205,603,815,424/39,318,739,836.40
  6. Step 6: Final answer
    x = 25,436,382,558.72

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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.