Home / 1,027,686,248.12-1,418,208,577.80-557,787,739.16

Finding the Fourth Proportional to 1,027,686,248.12, 1,418,208,577.80 and 557,787,739.16

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Solution

The fourth proportional to 1,027,686,248.12, 1,418,208,577.80 and 557,787,739.16 is: 769,747,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,686,248.12 : 1,418,208,577.80 = 557,787,739.16 : x
  2. Step 2: Convert to fraction form
    1,027,686,248.12/1,418,208,577.80 = 557,787,739.16/x
  3. Step 3: Cross multiply
    1,027,686,248.12x = 1,418,208,577.80 × 557,787,739.16
  4. Step 4: Simplify right side
    1,027,686,248.12x = 791,059,356,268,380,928
  5. Step 5: Solve for x
    x = 791,059,356,268,380,928/1,027,686,248.12
  6. Step 6: Final answer
    x = 769,747,924.25

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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.