Home / 315,040,802.20-472,561,203.30-271,958,651.80

Finding the Fourth Proportional to 315,040,802.20, 472,561,203.30 and 271,958,651.80

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Solution

The fourth proportional to 315,040,802.20, 472,561,203.30 and 271,958,651.80 is: 407,937,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,040,802.20 : 472,561,203.30 = 271,958,651.80 : x
  2. Step 2: Convert to fraction form
    315,040,802.20/472,561,203.30 = 271,958,651.80/x
  3. Step 3: Cross multiply
    315,040,802.20x = 472,561,203.30 × 271,958,651.80
  4. Step 4: Simplify right side
    315,040,802.20x = 128,517,107,742,453,712
  5. Step 5: Solve for x
    x = 128,517,107,742,453,712/315,040,802.20
  6. Step 6: Final answer
    x = 407,937,977.70

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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.