Home / 352,416,572.40-528,624,858.60-214,667,065.20

Finding the Fourth Proportional to 352,416,572.40, 528,624,858.60 and 214,667,065.20

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Solution

The fourth proportional to 352,416,572.40, 528,624,858.60 and 214,667,065.20 is: 322,000,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,416,572.40 : 528,624,858.60 = 214,667,065.20 : x
  2. Step 2: Convert to fraction form
    352,416,572.40/528,624,858.60 = 214,667,065.20/x
  3. Step 3: Cross multiply
    352,416,572.40x = 528,624,858.60 × 214,667,065.20
  4. Step 4: Simplify right side
    352,416,572.40x = 113,478,346,987,426,976
  5. Step 5: Solve for x
    x = 113,478,346,987,426,976/352,416,572.40
  6. Step 6: Final answer
    x = 322,000,597.80

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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.