Home / 352,405,200.60-528,607,800.90-279,845,789.40

Finding the Fourth Proportional to 352,405,200.60, 528,607,800.90 and 279,845,789.40

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Solution

The fourth proportional to 352,405,200.60, 528,607,800.90 and 279,845,789.40 is: 419,768,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,405,200.60 : 528,607,800.90 = 279,845,789.40 : x
  2. Step 2: Convert to fraction form
    352,405,200.60/528,607,800.90 = 279,845,789.40/x
  3. Step 3: Cross multiply
    352,405,200.60x = 528,607,800.90 × 279,845,789.40
  4. Step 4: Simplify right side
    352,405,200.60x = 147,928,667,325,858,496
  5. Step 5: Solve for x
    x = 147,928,667,325,858,496/352,405,200.60
  6. Step 6: Final answer
    x = 419,768,684.10

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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.