Home / 663,476,241.60-995,214,362.40-422,208,734.40

Finding the Fourth Proportional to 663,476,241.60, 995,214,362.40 and 422,208,734.40

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Solution

The fourth proportional to 663,476,241.60, 995,214,362.40 and 422,208,734.40 is: 633,313,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,476,241.60 : 995,214,362.40 = 422,208,734.40 : x
  2. Step 2: Convert to fraction form
    663,476,241.60/995,214,362.40 = 422,208,734.40/x
  3. Step 3: Cross multiply
    663,476,241.60x = 995,214,362.40 × 422,208,734.40
  4. Step 4: Simplify right side
    663,476,241.60x = 420,188,196,405,606,912
  5. Step 5: Solve for x
    x = 420,188,196,405,606,912/663,476,241.60
  6. Step 6: Final answer
    x = 633,313,101.60

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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.