Home / 646,148,202.30-969,242,019.32-252,659,313.18

Finding the Fourth Proportional to 646,148,202.30, 969,242,019.32 and 252,659,313.18

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Solution

The fourth proportional to 646,148,202.30, 969,242,019.32 and 252,659,313.18 is: 378,996,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,148,202.30 : 969,242,019.32 = 252,659,313.18 : x
  2. Step 2: Convert to fraction form
    646,148,202.30/969,242,019.32 = 252,659,313.18/x
  3. Step 3: Cross multiply
    646,148,202.30x = 969,242,019.32 × 252,659,313.18
  4. Step 4: Simplify right side
    646,148,202.30x = 244,888,022,907,219,136
  5. Step 5: Solve for x
    x = 244,888,022,907,219,136/646,148,202.30
  6. Step 6: Final answer
    x = 378,996,679.15

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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.