Home / 1,008,293,326.47-1,391,543,983.97-611,785,196.37

Finding the Fourth Proportional to 1,008,293,326.47, 1,391,543,983.97 and 611,785,196.37

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Solution

The fourth proportional to 1,008,293,326.47, 1,391,543,983.97 and 611,785,196.37 is: 844,323,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,293,326.47 : 1,391,543,983.97 = 611,785,196.37 : x
  2. Step 2: Convert to fraction form
    1,008,293,326.47/1,391,543,983.97 = 611,785,196.37/x
  3. Step 3: Cross multiply
    1,008,293,326.47x = 1,391,543,983.97 × 611,785,196.37
  4. Step 4: Simplify right side
    1,008,293,326.47x = 851,326,009,487,519,616
  5. Step 5: Solve for x
    x = 851,326,009,487,519,616/1,008,293,326.47
  6. Step 6: Final answer
    x = 844,323,756.92

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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.