Home / 28,347,816,402.33-39,120,002,328.50-15,311,998,997.58

Finding the Fourth Proportional to 28,347,816,402.33, 39,120,002,328.50 and 15,311,998,997.58

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Solution

The fourth proportional to 28,347,816,402.33, 39,120,002,328.50 and 15,311,998,997.58 is: 21,130,567,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,816,402.33 : 39,120,002,328.50 = 15,311,998,997.58 : x
  2. Step 2: Convert to fraction form
    28,347,816,402.33/39,120,002,328.50 = 15,311,998,997.58/x
  3. Step 3: Cross multiply
    28,347,816,402.33x = 39,120,002,328.50 × 15,311,998,997.58
  4. Step 4: Simplify right side
    28,347,816,402.33x = 599,005,436,439,273,406,464
  5. Step 5: Solve for x
    x = 599,005,436,439,273,406,464/28,347,816,402.33
  6. Step 6: Final answer
    x = 21,130,567,093.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.