Home / 20,376,376,798.82-30,578,526,662.18-7,111,635,077.34

Finding the Fourth Proportional to 20,376,376,798.82, 30,578,526,662.18 and 7,111,635,077.34

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Solution

The fourth proportional to 20,376,376,798.82, 30,578,526,662.18 and 7,111,635,077.34 is: 10,672,325,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,798.82 : 30,578,526,662.18 = 7,111,635,077.34 : x
  2. Step 2: Convert to fraction form
    20,376,376,798.82/30,578,526,662.18 = 7,111,635,077.34/x
  3. Step 3: Cross multiply
    20,376,376,798.82x = 30,578,526,662.18 × 7,111,635,077.34
  4. Step 4: Simplify right side
    20,376,376,798.82x = 217,463,322,824,100,151,296
  5. Step 5: Solve for x
    x = 217,463,322,824,100,151,296/20,376,376,798.82
  6. Step 6: Final answer
    x = 10,672,325,358.49

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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.