Home / 612,986,936.05-846,403,960.44-493,530,069.25

Finding the Fourth Proportional to 612,986,936.05, 846,403,960.44 and 493,530,069.25

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Solution

The fourth proportional to 612,986,936.05, 846,403,960.44 and 493,530,069.25 is: 681,459,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,986,936.05 : 846,403,960.44 = 493,530,069.25 : x
  2. Step 2: Convert to fraction form
    612,986,936.05/846,403,960.44 = 493,530,069.25/x
  3. Step 3: Cross multiply
    612,986,936.05x = 846,403,960.44 × 493,530,069.25
  4. Step 4: Simplify right side
    612,986,936.05x = 417,725,805,209,427,520
  5. Step 5: Solve for x
    x = 417,725,805,209,427,520/612,986,936.05
  6. Step 6: Final answer
    x = 681,459,555.89

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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.