Home / 516,052,517.50-712,132,334.22-315,445,247.74

Finding the Fourth Proportional to 516,052,517.50, 712,132,334.22 and 315,445,247.74

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Solution

The fourth proportional to 516,052,517.50, 712,132,334.22 and 315,445,247.74 is: 435,302,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,052,517.50 : 712,132,334.22 = 315,445,247.74 : x
  2. Step 2: Convert to fraction form
    516,052,517.50/712,132,334.22 = 315,445,247.74/x
  3. Step 3: Cross multiply
    516,052,517.50x = 712,132,334.22 × 315,445,247.74
  4. Step 4: Simplify right side
    516,052,517.50x = 224,638,760,591,692,384
  5. Step 5: Solve for x
    x = 224,638,760,591,692,384/516,052,517.50
  6. Step 6: Final answer
    x = 435,302,131.03

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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.