Home / 538,137,556.16-742,629,799.04-290,618,886.56

Finding the Fourth Proportional to 538,137,556.16, 742,629,799.04 and 290,618,886.56

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Solution

The fourth proportional to 538,137,556.16, 742,629,799.04 and 290,618,886.56 is: 401,054,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,137,556.16 : 742,629,799.04 = 290,618,886.56 : x
  2. Step 2: Convert to fraction form
    538,137,556.16/742,629,799.04 = 290,618,886.56/x
  3. Step 3: Cross multiply
    538,137,556.16x = 742,629,799.04 × 290,618,886.56
  4. Step 4: Simplify right side
    538,137,556.16x = 215,822,245,323,281,344
  5. Step 5: Solve for x
    x = 215,822,245,323,281,344/538,137,556.16
  6. Step 6: Final answer
    x = 401,054,048.08

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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.