Home / 354,317,760.40-531,476,640.60-322,006,147.60

Finding the Fourth Proportional to 354,317,760.40, 531,476,640.60 and 322,006,147.60

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Solution

The fourth proportional to 354,317,760.40, 531,476,640.60 and 322,006,147.60 is: 483,009,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,317,760.40 : 531,476,640.60 = 322,006,147.60 : x
  2. Step 2: Convert to fraction form
    354,317,760.40/531,476,640.60 = 322,006,147.60/x
  3. Step 3: Cross multiply
    354,317,760.40x = 531,476,640.60 × 322,006,147.60
  4. Step 4: Simplify right side
    354,317,760.40x = 171,138,745,578,995,776
  5. Step 5: Solve for x
    x = 171,138,745,578,995,776/354,317,760.40
  6. Step 6: Final answer
    x = 483,009,221.40

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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.