Home / 20,376,376,733.64-30,578,526,564.59-7,111,635,012.29

Finding the Fourth Proportional to 20,376,376,733.64, 30,578,526,564.59 and 7,111,635,012.29

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Solution

The fourth proportional to 20,376,376,733.64, 30,578,526,564.59 and 7,111,635,012.29 is: 10,672,325,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,733.64 : 30,578,526,564.59 = 7,111,635,012.29 : x
  2. Step 2: Convert to fraction form
    20,376,376,733.64/30,578,526,564.59 = 7,111,635,012.29/x
  3. Step 3: Cross multiply
    20,376,376,733.64x = 30,578,526,564.59 × 7,111,635,012.29
  4. Step 4: Simplify right side
    20,376,376,733.64x = 217,463,320,140,825,198,592
  5. Step 5: Solve for x
    x = 217,463,320,140,825,198,592/20,376,376,733.64
  6. Step 6: Final answer
    x = 10,672,325,260.94

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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.