Home / 20,376,377,147.43-30,578,527,185.19-7,111,635,425.28

Finding the Fourth Proportional to 20,376,377,147.43, 30,578,527,185.19 and 7,111,635,425.28

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Solution

The fourth proportional to 20,376,377,147.43, 30,578,527,185.19 and 7,111,635,425.28 is: 10,672,325,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,377,147.43 : 30,578,527,185.19 = 7,111,635,425.28 : x
  2. Step 2: Convert to fraction form
    20,376,377,147.43/30,578,527,185.19 = 7,111,635,425.28/x
  3. Step 3: Cross multiply
    20,376,377,147.43x = 30,578,527,185.19 × 7,111,635,425.28
  4. Step 4: Simplify right side
    20,376,377,147.43x = 217,463,337,183,070,486,528
  5. Step 5: Solve for x
    x = 217,463,337,183,070,486,528/20,376,377,147.43
  6. Step 6: Final answer
    x = 10,672,325,880.58

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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.