Home / 354,294,923.60-531,442,385.40-331,620,107.60

Finding the Fourth Proportional to 354,294,923.60, 531,442,385.40 and 331,620,107.60

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Solution

The fourth proportional to 354,294,923.60, 531,442,385.40 and 331,620,107.60 is: 497,430,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,923.60 : 531,442,385.40 = 331,620,107.60 : x
  2. Step 2: Convert to fraction form
    354,294,923.60/531,442,385.40 = 331,620,107.60/x
  3. Step 3: Cross multiply
    354,294,923.60x = 531,442,385.40 × 331,620,107.60
  4. Step 4: Simplify right side
    354,294,923.60x = 176,236,981,029,548,672
  5. Step 5: Solve for x
    x = 176,236,981,029,548,672/354,294,923.60
  6. Step 6: Final answer
    x = 497,430,161.40

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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.