Home / 463,947,447.15-640,242,975.87-252,254,274.87

Finding the Fourth Proportional to 463,947,447.15, 640,242,975.87 and 252,254,274.87

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Solution

The fourth proportional to 463,947,447.15, 640,242,975.87 and 252,254,274.87 is: 348,108,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,947,447.15 : 640,242,975.87 = 252,254,274.87 : x
  2. Step 2: Convert to fraction form
    463,947,447.15/640,242,975.87 = 252,254,274.87/x
  3. Step 3: Cross multiply
    463,947,447.15x = 640,242,975.87 × 252,254,274.87
  4. Step 4: Simplify right side
    463,947,447.15x = 161,504,027,618,867,424
  5. Step 5: Solve for x
    x = 161,504,027,618,867,424/463,947,447.15
  6. Step 6: Final answer
    x = 348,108,451.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.