Home / 772,418,814.89-1,158,519,134.85-247,719,735.53

Finding the Fourth Proportional to 772,418,814.89, 1,158,519,134.85 and 247,719,735.53

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Solution

The fourth proportional to 772,418,814.89, 1,158,519,134.85 and 247,719,735.53 is: 371,544,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,418,814.89 : 1,158,519,134.85 = 247,719,735.53 : x
  2. Step 2: Convert to fraction form
    772,418,814.89/1,158,519,134.85 = 247,719,735.53/x
  3. Step 3: Cross multiply
    772,418,814.89x = 1,158,519,134.85 × 247,719,735.53
  4. Step 4: Simplify right side
    772,418,814.89x = 286,988,053,691,486,368
  5. Step 5: Solve for x
    x = 286,988,053,691,486,368/772,418,814.89
  6. Step 6: Final answer
    x = 371,544,618.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.