Home / 1,205,747,845.47-1,808,000,764.55-541,192,158.13

Finding the Fourth Proportional to 1,205,747,845.47, 1,808,000,764.55 and 541,192,158.13

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Solution

The fourth proportional to 1,205,747,845.47, 1,808,000,764.55 and 541,192,158.13 is: 811,509,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,747,845.47 : 1,808,000,764.55 = 541,192,158.13 : x
  2. Step 2: Convert to fraction form
    1,205,747,845.47/1,808,000,764.55 = 541,192,158.13/x
  3. Step 3: Cross multiply
    1,205,747,845.47x = 1,808,000,764.55 × 541,192,158.13
  4. Step 4: Simplify right side
    1,205,747,845.47x = 978,475,835,667,040,512
  5. Step 5: Solve for x
    x = 978,475,835,667,040,512/1,205,747,845.47
  6. Step 6: Final answer
    x = 811,509,503.70

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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.