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Finding the Fourth Proportional to 354,294,809.60, 531,442,214.40 and 331,336,558.40

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Solution

The fourth proportional to 354,294,809.60, 531,442,214.40 and 331,336,558.40 is: 497,004,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,809.60 : 531,442,214.40 = 331,336,558.40 : x
  2. Step 2: Convert to fraction form
    354,294,809.60/531,442,214.40 = 331,336,558.40/x
  3. Step 3: Cross multiply
    354,294,809.60x = 531,442,214.40 × 331,336,558.40
  4. Step 4: Simplify right side
    354,294,809.60x = 176,086,234,307,770,912
  5. Step 5: Solve for x
    x = 176,086,234,307,770,912/354,294,809.60
  6. Step 6: Final answer
    x = 497,004,837.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.