Home / 354,620,408.10-531,930,612.15-218,571,512.10

Finding the Fourth Proportional to 354,620,408.10, 531,930,612.15 and 218,571,512.10

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Solution

The fourth proportional to 354,620,408.10, 531,930,612.15 and 218,571,512.10 is: 327,857,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620,408.10 : 531,930,612.15 = 218,571,512.10 : x
  2. Step 2: Convert to fraction form
    354,620,408.10/531,930,612.15 = 218,571,512.10/x
  3. Step 3: Cross multiply
    354,620,408.10x = 531,930,612.15 × 218,571,512.10
  4. Step 4: Simplify right side
    354,620,408.10x = 116,264,878,229,904,128
  5. Step 5: Solve for x
    x = 116,264,878,229,904,128/354,620,408.10
  6. Step 6: Final answer
    x = 327,857,268.15

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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.