Home / 743,691,663.96-1,115,673,697.71-306,753,993.60

Finding the Fourth Proportional to 743,691,663.96, 1,115,673,697.71 and 306,753,993.60

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Solution

The fourth proportional to 743,691,663.96, 1,115,673,697.71 and 306,753,993.60 is: 460,187,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,691,663.96 : 1,115,673,697.71 = 306,753,993.60 : x
  2. Step 2: Convert to fraction form
    743,691,663.96/1,115,673,697.71 = 306,753,993.60/x
  3. Step 3: Cross multiply
    743,691,663.96x = 1,115,673,697.71 × 306,753,993.60
  4. Step 4: Simplify right side
    743,691,663.96x = 342,237,362,327,021,696
  5. Step 5: Solve for x
    x = 342,237,362,327,021,696/743,691,663.96
  6. Step 6: Final answer
    x = 460,187,170.18

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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.