Home / 681,056,627.13-939,858,139.92-367,790,813.43

Finding the Fourth Proportional to 681,056,627.13, 939,858,139.92 and 367,790,813.43

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Solution

The fourth proportional to 681,056,627.13, 939,858,139.92 and 367,790,813.43 is: 507,551,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,056,627.13 : 939,858,139.92 = 367,790,813.43 : x
  2. Step 2: Convert to fraction form
    681,056,627.13/939,858,139.92 = 367,790,813.43/x
  3. Step 3: Cross multiply
    681,056,627.13x = 939,858,139.92 × 367,790,813.43
  4. Step 4: Simplify right side
    681,056,627.13x = 345,671,189,789,983,552
  5. Step 5: Solve for x
    x = 345,671,189,789,983,552/681,056,627.13
  6. Step 6: Final answer
    x = 507,551,319.55

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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.