Home / 28,530,665,232.86-42,758,769,162.47-15,939,015,064.75

Finding the Fourth Proportional to 28,530,665,232.86, 42,758,769,162.47 and 15,939,015,064.75

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Solution

The fourth proportional to 28,530,665,232.86, 42,758,769,162.47 and 15,939,015,064.75 is: 23,887,724,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,232.86 : 42,758,769,162.47 = 15,939,015,064.75 : x
  2. Step 2: Convert to fraction form
    28,530,665,232.86/42,758,769,162.47 = 15,939,015,064.75/x
  3. Step 3: Cross multiply
    28,530,665,232.86x = 42,758,769,162.47 × 15,939,015,064.75
  4. Step 4: Simplify right side
    28,530,665,232.86x = 681,532,665,830,611,746,816
  5. Step 5: Solve for x
    x = 681,532,665,830,611,746,816/28,530,665,232.86
  6. Step 6: Final answer
    x = 23,887,724,322.87

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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.