Home / 851,472,023.40-1,277,208,035.10-487,667,197.80

Finding the Fourth Proportional to 851,472,023.40, 1,277,208,035.10 and 487,667,197.80

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Solution

The fourth proportional to 851,472,023.40, 1,277,208,035.10 and 487,667,197.80 is: 731,500,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,472,023.40 : 1,277,208,035.10 = 487,667,197.80 : x
  2. Step 2: Convert to fraction form
    851,472,023.40/1,277,208,035.10 = 487,667,197.80/x
  3. Step 3: Cross multiply
    851,472,023.40x = 1,277,208,035.10 × 487,667,197.80
  4. Step 4: Simplify right side
    851,472,023.40x = 622,852,463,484,861,056
  5. Step 5: Solve for x
    x = 622,852,463,484,861,056/851,472,023.40
  6. Step 6: Final answer
    x = 731,500,796.70

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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.