Home / 835,356,513.80-1,253,034,770.70-508,839,163.40

Finding the Fourth Proportional to 835,356,513.80, 1,253,034,770.70 and 508,839,163.40

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Solution

The fourth proportional to 835,356,513.80, 1,253,034,770.70 and 508,839,163.40 is: 763,258,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,356,513.80 : 1,253,034,770.70 = 508,839,163.40 : x
  2. Step 2: Convert to fraction form
    835,356,513.80/1,253,034,770.70 = 508,839,163.40/x
  3. Step 3: Cross multiply
    835,356,513.80x = 1,253,034,770.70 × 508,839,163.40
  4. Step 4: Simplify right side
    835,356,513.80x = 637,593,164,434,098,816
  5. Step 5: Solve for x
    x = 637,593,164,434,098,816/835,356,513.80
  6. Step 6: Final answer
    x = 763,258,745.10

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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.