Home / 354,294,327.60-531,441,491.40-331,336,076.40

Finding the Fourth Proportional to 354,294,327.60, 531,441,491.40 and 331,336,076.40

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Solution

The fourth proportional to 354,294,327.60, 531,441,491.40 and 331,336,076.40 is: 497,004,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,327.60 : 531,441,491.40 = 331,336,076.40 : x
  2. Step 2: Convert to fraction form
    354,294,327.60/531,441,491.40 = 331,336,076.40/x
  3. Step 3: Cross multiply
    354,294,327.60x = 531,441,491.40 × 331,336,076.40
  4. Step 4: Simplify right side
    354,294,327.60x = 176,085,738,596,640,320
  5. Step 5: Solve for x
    x = 176,085,738,596,640,320/354,294,327.60
  6. Step 6: Final answer
    x = 497,004,114.60

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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.