Home / 1,998,411,697-2,758,096,750.76-1,151,476,873.12

Finding the Fourth Proportional to 1,998,411,697, 2,758,096,750.76 and 1,151,476,873.12

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Solution

The fourth proportional to 1,998,411,697, 2,758,096,750.76 and 1,151,476,873.12 is: 1,589,204,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,411,697 : 2,758,096,750.76 = 1,151,476,873.12 : x
  2. Step 2: Convert to fraction form
    1,998,411,697/2,758,096,750.76 = 1,151,476,873.12/x
  3. Step 3: Cross multiply
    1,998,411,697x = 2,758,096,750.76 × 1,151,476,873.12
  4. Step 4: Simplify right side
    1,998,411,697x = 3,175,884,622,327,556,608
  5. Step 5: Solve for x
    x = 3,175,884,622,327,556,608/1,998,411,697
  6. Step 6: Final answer
    x = 1,589,204,380.21

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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.