Home / 265,727,314.80-398,590,972.20-228,739,021.20

Finding the Fourth Proportional to 265,727,314.80, 398,590,972.20 and 228,739,021.20

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Solution

The fourth proportional to 265,727,314.80, 398,590,972.20 and 228,739,021.20 is: 343,108,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,727,314.80 : 398,590,972.20 = 228,739,021.20 : x
  2. Step 2: Convert to fraction form
    265,727,314.80/398,590,972.20 = 228,739,021.20/x
  3. Step 3: Cross multiply
    265,727,314.80x = 398,590,972.20 × 228,739,021.20
  4. Step 4: Simplify right side
    265,727,314.80x = 91,173,308,840,184,400
  5. Step 5: Solve for x
    x = 91,173,308,840,184,400/265,727,314.80
  6. Step 6: Final answer
    x = 343,108,531.80

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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.