Home / 20,376,376,812.32-30,578,526,682.56-7,111,635,091.04

Finding the Fourth Proportional to 20,376,376,812.32, 30,578,526,682.56 and 7,111,635,091.04

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Solution

The fourth proportional to 20,376,376,812.32, 30,578,526,682.56 and 7,111,635,091.04 is: 10,672,325,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,812.32 : 30,578,526,682.56 = 7,111,635,091.04 : x
  2. Step 2: Convert to fraction form
    20,376,376,812.32/30,578,526,682.56 = 7,111,635,091.04/x
  3. Step 3: Cross multiply
    20,376,376,812.32x = 30,578,526,682.56 × 7,111,635,091.04
  4. Step 4: Simplify right side
    20,376,376,812.32x = 217,463,323,387,996,667,904
  5. Step 5: Solve for x
    x = 217,463,323,387,996,667,904/20,376,376,812.32
  6. Step 6: Final answer
    x = 10,672,325,379.09

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1.5x scale

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.