Home / 354,294,520.10-531,441,780.15-331,336,268.90

Finding the Fourth Proportional to 354,294,520.10, 531,441,780.15 and 331,336,268.90

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Solution

The fourth proportional to 354,294,520.10, 531,441,780.15 and 331,336,268.90 is: 497,004,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,520.10 : 531,441,780.15 = 331,336,268.90 : x
  2. Step 2: Convert to fraction form
    354,294,520.10/531,441,780.15 = 331,336,268.90/x
  3. Step 3: Cross multiply
    354,294,520.10x = 531,441,780.15 × 331,336,268.90
  4. Step 4: Simplify right side
    354,294,520.10x = 176,085,936,572,475,072
  5. Step 5: Solve for x
    x = 176,085,936,572,475,072/354,294,520.10
  6. Step 6: Final answer
    x = 497,004,403.35

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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.