Home / 1,910,922,465.78-2,635,714,597.59-1,275,522,603.03

Finding the Fourth Proportional to 1,910,922,465.78, 2,635,714,597.59 and 1,275,522,603.03

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Solution

The fourth proportional to 1,910,922,465.78, 2,635,714,597.59 and 1,275,522,603.03 is: 1,759,314,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,922,465.78 : 2,635,714,597.59 = 1,275,522,603.03 : x
  2. Step 2: Convert to fraction form
    1,910,922,465.78/2,635,714,597.59 = 1,275,522,603.03/x
  3. Step 3: Cross multiply
    1,910,922,465.78x = 2,635,714,597.59 × 1,275,522,603.03
  4. Step 4: Simplify right side
    1,910,922,465.78x = 3,361,913,544,362,165,760
  5. Step 5: Solve for x
    x = 3,361,913,544,362,165,760/1,910,922,465.78
  6. Step 6: Final answer
    x = 1,759,314,469.62

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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.