Home / 1,008,293,327.47-1,391,543,985.35-611,785,197.37

Finding the Fourth Proportional to 1,008,293,327.47, 1,391,543,985.35 and 611,785,197.37

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Solution

The fourth proportional to 1,008,293,327.47, 1,391,543,985.35 and 611,785,197.37 is: 844,323,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,293,327.47 : 1,391,543,985.35 = 611,785,197.37 : x
  2. Step 2: Convert to fraction form
    1,008,293,327.47/1,391,543,985.35 = 611,785,197.37/x
  3. Step 3: Cross multiply
    1,008,293,327.47x = 1,391,543,985.35 × 611,785,197.37
  4. Step 4: Simplify right side
    1,008,293,327.47x = 851,326,011,726,386,048
  5. Step 5: Solve for x
    x = 851,326,011,726,386,048/1,008,293,327.47
  6. Step 6: Final answer
    x = 844,323,758.31

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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.