Home / 409,085,485.65-613,628,236.55-98,193,101.64

Finding the Fourth Proportional to 409,085,485.65, 613,628,236.55 and 98,193,101.64

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Solution

The fourth proportional to 409,085,485.65, 613,628,236.55 and 98,193,101.64 is: 147,289,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,085,485.65 : 613,628,236.55 = 98,193,101.64 : x
  2. Step 2: Convert to fraction form
    409,085,485.65/613,628,236.55 = 98,193,101.64/x
  3. Step 3: Cross multiply
    409,085,485.65x = 613,628,236.55 × 98,193,101.64
  4. Step 4: Simplify right side
    409,085,485.65x = 60,254,059,800,237,144
  5. Step 5: Solve for x
    x = 60,254,059,800,237,144/409,085,485.65
  6. Step 6: Final answer
    x = 147,289,654.40

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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.