Home / 28,530,665,234.86-42,758,769,165.46-15,939,015,066.75

Finding the Fourth Proportional to 28,530,665,234.86, 42,758,769,165.46 and 15,939,015,066.75

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Solution

The fourth proportional to 28,530,665,234.86, 42,758,769,165.46 and 15,939,015,066.75 is: 23,887,724,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,234.86 : 42,758,769,165.46 = 15,939,015,066.75 : x
  2. Step 2: Convert to fraction form
    28,530,665,234.86/42,758,769,165.46 = 15,939,015,066.75/x
  3. Step 3: Cross multiply
    28,530,665,234.86x = 42,758,769,165.46 × 15,939,015,066.75
  4. Step 4: Simplify right side
    28,530,665,234.86x = 681,532,665,963,952,209,920
  5. Step 5: Solve for x
    x = 681,532,665,963,952,209,920/28,530,665,234.86
  6. Step 6: Final answer
    x = 23,887,724,325.87

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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.