Home / 538,137,546.12-742,629,785.22-290,618,876.52

Finding the Fourth Proportional to 538,137,546.12, 742,629,785.22 and 290,618,876.52

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Solution

The fourth proportional to 538,137,546.12, 742,629,785.22 and 290,618,876.52 is: 401,054,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,137,546.12 : 742,629,785.22 = 290,618,876.52 : x
  2. Step 2: Convert to fraction form
    538,137,546.12/742,629,785.22 = 290,618,876.52/x
  3. Step 3: Cross multiply
    538,137,546.12x = 742,629,785.22 × 290,618,876.52
  4. Step 4: Simplify right side
    538,137,546.12x = 215,822,233,850,925,280
  5. Step 5: Solve for x
    x = 215,822,233,850,925,280/538,137,546.12
  6. Step 6: Final answer
    x = 401,054,034.25

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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.