Home / 922,720,449.26-1,273,354,180.82-499,334,123.59

Finding the Fourth Proportional to 922,720,449.26, 1,273,354,180.82 and 499,334,123.59

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Solution

The fourth proportional to 922,720,449.26, 1,273,354,180.82 and 499,334,123.59 is: 689,081,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,720,449.26 : 1,273,354,180.82 = 499,334,123.59 : x
  2. Step 2: Convert to fraction form
    922,720,449.26/1,273,354,180.82 = 499,334,123.59/x
  3. Step 3: Cross multiply
    922,720,449.26x = 1,273,354,180.82 × 499,334,123.59
  4. Step 4: Simplify right side
    922,720,449.26x = 635,829,193,902,715,392
  5. Step 5: Solve for x
    x = 635,829,193,902,715,392/922,720,449.26
  6. Step 6: Final answer
    x = 689,081,069.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.