Home / 2,278,710,268.62-3,144,751,961.94-1,275,119,074.28

Finding the Fourth Proportional to 2,278,710,268.62, 3,144,751,961.94 and 1,275,119,074.28

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Solution

The fourth proportional to 2,278,710,268.62, 3,144,751,961.94 and 1,275,119,074.28 is: 1,759,738,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,710,268.62 : 3,144,751,961.94 = 1,275,119,074.28 : x
  2. Step 2: Convert to fraction form
    2,278,710,268.62/3,144,751,961.94 = 1,275,119,074.28/x
  3. Step 3: Cross multiply
    2,278,710,268.62x = 3,144,751,961.94 × 1,275,119,074.28
  4. Step 4: Simplify right side
    2,278,710,268.62x = 4,009,933,210,533,423,104
  5. Step 5: Solve for x
    x = 4,009,933,210,533,423,104/2,278,710,268.62
  6. Step 6: Final answer
    x = 1,759,738,070.15

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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.