Home / 477,485,720.52-716,228,520.57-132,439,346.34

Finding the Fourth Proportional to 477,485,720.52, 716,228,520.57 and 132,439,346.34

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Solution

The fourth proportional to 477,485,720.52, 716,228,520.57 and 132,439,346.34 is: 198,659,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,485,720.52 : 716,228,520.57 = 132,439,346.34 : x
  2. Step 2: Convert to fraction form
    477,485,720.52/716,228,520.57 = 132,439,346.34/x
  3. Step 3: Cross multiply
    477,485,720.52x = 716,228,520.57 × 132,439,346.34
  4. Step 4: Simplify right side
    477,485,720.52x = 94,856,837,094,356,048
  5. Step 5: Solve for x
    x = 94,856,837,094,356,048/477,485,720.52
  6. Step 6: Final answer
    x = 198,659,002.81

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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.