Home / 1,916,404,851.70-2,874,607,277.55-825,887,919.70

Finding the Fourth Proportional to 1,916,404,851.70, 2,874,607,277.55 and 825,887,919.70

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Solution

The fourth proportional to 1,916,404,851.70, 2,874,607,277.55 and 825,887,919.70 is: 1,238,831,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,404,851.70 : 2,874,607,277.55 = 825,887,919.70 : x
  2. Step 2: Convert to fraction form
    1,916,404,851.70/2,874,607,277.55 = 825,887,919.70/x
  3. Step 3: Cross multiply
    1,916,404,851.70x = 2,874,607,277.55 × 825,887,919.70
  4. Step 4: Simplify right side
    1,916,404,851.70x = 2,374,103,424,410,250,240
  5. Step 5: Solve for x
    x = 2,374,103,424,410,250,240/1,916,404,851.70
  6. Step 6: Final answer
    x = 1,238,831,879.55

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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.