Home / 612,986,958.93-846,403,991.96-493,530,092.13

Finding the Fourth Proportional to 612,986,958.93, 846,403,991.96 and 493,530,092.13

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Solution

The fourth proportional to 612,986,958.93, 846,403,991.96 and 493,530,092.13 is: 681,459,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,986,958.93 : 846,403,991.96 = 493,530,092.13 : x
  2. Step 2: Convert to fraction form
    612,986,958.93/846,403,991.96 = 493,530,092.13/x
  3. Step 3: Cross multiply
    612,986,958.93x = 846,403,991.96 × 493,530,092.13
  4. Step 4: Simplify right side
    612,986,958.93x = 417,725,840,128,750,976
  5. Step 5: Solve for x
    x = 417,725,840,128,750,976/612,986,958.93
  6. Step 6: Final answer
    x = 681,459,587.42

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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.