Home / 28,322,425,179.67-39,085,071,584.59-15,635,265,099.34

Finding the Fourth Proportional to 28,322,425,179.67, 39,085,071,584.59 and 15,635,265,099.34

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Solution

The fourth proportional to 28,322,425,179.67, 39,085,071,584.59 and 15,635,265,099.34 is: 21,576,734,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322,425,179.67 : 39,085,071,584.59 = 15,635,265,099.34 : x
  2. Step 2: Convert to fraction form
    28,322,425,179.67/39,085,071,584.59 = 15,635,265,099.34/x
  3. Step 3: Cross multiply
    28,322,425,179.67x = 39,085,071,584.59 × 15,635,265,099.34
  4. Step 4: Simplify right side
    28,322,425,179.67x = 611,105,455,651,855,007,744
  5. Step 5: Solve for x
    x = 611,105,455,651,855,007,744/28,322,425,179.67
  6. Step 6: Final answer
    x = 21,576,734,752.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.