Home / 416,088,003.10-624,132,004.65-212,014,659.10

Finding the Fourth Proportional to 416,088,003.10, 624,132,004.65 and 212,014,659.10

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Solution

The fourth proportional to 416,088,003.10, 624,132,004.65 and 212,014,659.10 is: 318,021,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,088,003.10 : 624,132,004.65 = 212,014,659.10 : x
  2. Step 2: Convert to fraction form
    416,088,003.10/624,132,004.65 = 212,014,659.10/x
  3. Step 3: Cross multiply
    416,088,003.10x = 624,132,004.65 × 212,014,659.10
  4. Step 4: Simplify right side
    416,088,003.10x = 132,325,134,199,269,360
  5. Step 5: Solve for x
    x = 132,325,134,199,269,360/416,088,003.10
  6. Step 6: Final answer
    x = 318,021,988.65

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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.