Home / 720,841,362,583.68-994,761,816,559.01-391,244,468,696.52

Finding the Fourth Proportional to 720,841,362,583.68, 994,761,816,559.01 and 391,244,468,696.52

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Solution

The fourth proportional to 720,841,362,583.68, 994,761,816,559.01 and 391,244,468,696.52 is: 539,917,766,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,841,362,583.68 : 994,761,816,559.01 = 391,244,468,696.52 : x
  2. Step 2: Convert to fraction form
    720,841,362,583.68/994,761,816,559.01 = 391,244,468,696.52/x
  3. Step 3: Cross multiply
    720,841,362,583.68x = 994,761,816,559.01 × 391,244,468,696.52
  4. Step 4: Simplify right side
    720,841,362,583.68x = 389,195,058,399,215,007,825,920
  5. Step 5: Solve for x
    x = 389,195,058,399,215,007,825,920/720,841,362,583.68
  6. Step 6: Final answer
    x = 539,917,766,378.22

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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.