Home / 20,376,376,739.96-30,578,526,573.92-7,111,635,018.57

Finding the Fourth Proportional to 20,376,376,739.96, 30,578,526,573.92 and 7,111,635,018.57

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Solution

The fourth proportional to 20,376,376,739.96, 30,578,526,573.92 and 7,111,635,018.57 is: 10,672,325,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,739.96 : 30,578,526,573.92 = 7,111,635,018.57 : x
  2. Step 2: Convert to fraction form
    20,376,376,739.96/30,578,526,573.92 = 7,111,635,018.57/x
  3. Step 3: Cross multiply
    20,376,376,739.96x = 30,578,526,573.92 × 7,111,635,018.57
  4. Step 4: Simplify right side
    20,376,376,739.96x = 217,463,320,399,327,232,000
  5. Step 5: Solve for x
    x = 217,463,320,399,327,232,000/20,376,376,739.96
  6. Step 6: Final answer
    x = 10,672,325,270.32

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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.