Home / 20,376,376,800.32-30,578,526,664.43-7,111,635,078.84

Finding the Fourth Proportional to 20,376,376,800.32, 30,578,526,664.43 and 7,111,635,078.84

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Solution

The fourth proportional to 20,376,376,800.32, 30,578,526,664.43 and 7,111,635,078.84 is: 10,672,325,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,800.32 : 30,578,526,664.43 = 7,111,635,078.84 : x
  2. Step 2: Convert to fraction form
    20,376,376,800.32/30,578,526,664.43 = 7,111,635,078.84/x
  3. Step 3: Cross multiply
    20,376,376,800.32x = 30,578,526,664.43 × 7,111,635,078.84
  4. Step 4: Simplify right side
    20,376,376,800.32x = 217,463,322,886,004,703,232
  5. Step 5: Solve for x
    x = 217,463,322,886,004,703,232/20,376,376,800.32
  6. Step 6: Final answer
    x = 10,672,325,360.74

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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.