Home / 442,307,003.60-663,460,505.40-196,663,163.60

Finding the Fourth Proportional to 442,307,003.60, 663,460,505.40 and 196,663,163.60

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Solution

The fourth proportional to 442,307,003.60, 663,460,505.40 and 196,663,163.60 is: 294,994,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,307,003.60 : 663,460,505.40 = 196,663,163.60 : x
  2. Step 2: Convert to fraction form
    442,307,003.60/663,460,505.40 = 196,663,163.60/x
  3. Step 3: Cross multiply
    442,307,003.60x = 663,460,505.40 × 196,663,163.60
  4. Step 4: Simplify right side
    442,307,003.60x = 130,478,241,915,618,880
  5. Step 5: Solve for x
    x = 130,478,241,915,618,880/442,307,003.60
  6. Step 6: Final answer
    x = 294,994,745.40

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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.