Home / 28,322,425,228.66-39,085,071,652.19-15,635,265,148.33

Finding the Fourth Proportional to 28,322,425,228.66, 39,085,071,652.19 and 15,635,265,148.33

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Solution

The fourth proportional to 28,322,425,228.66, 39,085,071,652.19 and 15,635,265,148.33 is: 21,576,734,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322,425,228.66 : 39,085,071,652.19 = 15,635,265,148.33 : x
  2. Step 2: Convert to fraction form
    28,322,425,228.66/39,085,071,652.19 = 15,635,265,148.33/x
  3. Step 3: Cross multiply
    28,322,425,228.66x = 39,085,071,652.19 × 15,635,265,148.33
  4. Step 4: Simplify right side
    28,322,425,228.66x = 611,105,458,623,349,915,648
  5. Step 5: Solve for x
    x = 611,105,458,623,349,915,648/28,322,425,228.66
  6. Step 6: Final answer
    x = 21,576,734,820.19

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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.