Home / 28,057,138,652-38,718,542,885.28-15,196,458,683.84

Finding the Fourth Proportional to 28,057,138,652, 38,718,542,885.28 and 15,196,458,683.84

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Solution

The fourth proportional to 28,057,138,652, 38,718,542,885.28 and 15,196,458,683.84 is: 20,970,945,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057,138,652 : 38,718,542,885.28 = 15,196,458,683.84 : x
  2. Step 2: Convert to fraction form
    28,057,138,652/38,718,542,885.28 = 15,196,458,683.84/x
  3. Step 3: Cross multiply
    28,057,138,652x = 38,718,542,885.28 × 15,196,458,683.84
  4. Step 4: Simplify right side
    28,057,138,652x = 588,384,737,254,644,711,424
  5. Step 5: Solve for x
    x = 588,384,737,254,644,711,424/28,057,138,652
  6. Step 6: Final answer
    x = 20,970,945,916.92

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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.