Home / 3,886,151,148.78-5,829,243,718.23-1,230,220,195.58

Finding the Fourth Proportional to 3,886,151,148.78, 5,829,243,718.23 and 1,230,220,195.58

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Solution

The fourth proportional to 3,886,151,148.78, 5,829,243,718.23 and 1,230,220,195.58 is: 1,845,335,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,151,148.78 : 5,829,243,718.23 = 1,230,220,195.58 : x
  2. Step 2: Convert to fraction form
    3,886,151,148.78/5,829,243,718.23 = 1,230,220,195.58/x
  3. Step 3: Cross multiply
    3,886,151,148.78x = 5,829,243,718.23 × 1,230,220,195.58
  4. Step 4: Simplify right side
    3,886,151,148.78x = 7,171,253,347,138,969,600
  5. Step 5: Solve for x
    x = 7,171,253,347,138,969,600/3,886,151,148.78
  6. Step 6: Final answer
    x = 1,845,335,673.42

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Double scale
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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.