Home / 481,142,130.36-663,976,416.12-261,125,556.36

Finding the Fourth Proportional to 481,142,130.36, 663,976,416.12 and 261,125,556.36

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Solution

The fourth proportional to 481,142,130.36, 663,976,416.12 and 261,125,556.36 is: 360,353,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,142,130.36 : 663,976,416.12 = 261,125,556.36 : x
  2. Step 2: Convert to fraction form
    481,142,130.36/663,976,416.12 = 261,125,556.36/x
  3. Step 3: Cross multiply
    481,142,130.36x = 663,976,416.12 × 261,125,556.36
  4. Step 4: Simplify right side
    481,142,130.36x = 173,381,211,069,253,888
  5. Step 5: Solve for x
    x = 173,381,211,069,253,888/481,142,130.36
  6. Step 6: Final answer
    x = 360,353,417.69

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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.