Home / 1,681,327,026.92-2,320,374,716.16-938,914,515.56

Finding the Fourth Proportional to 1,681,327,026.92, 2,320,374,716.16 and 938,914,515.56

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Solution

The fourth proportional to 1,681,327,026.92, 2,320,374,716.16 and 938,914,515.56 is: 1,295,782,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,327,026.92 : 2,320,374,716.16 = 938,914,515.56 : x
  2. Step 2: Convert to fraction form
    1,681,327,026.92/2,320,374,716.16 = 938,914,515.56/x
  3. Step 3: Cross multiply
    1,681,327,026.92x = 2,320,374,716.16 × 938,914,515.56
  4. Step 4: Simplify right side
    1,681,327,026.92x = 2,178,633,502,541,038,592
  5. Step 5: Solve for x
    x = 2,178,633,502,541,038,592/1,681,327,026.92
  6. Step 6: Final answer
    x = 1,295,782,121.89

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Double scale
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1.5x scale

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.