Home / 762,081,398.66-1,052,041,843.04-511,093,979.42

Finding the Fourth Proportional to 762,081,398.66, 1,052,041,843.04 and 511,093,979.42

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Solution

The fourth proportional to 762,081,398.66, 1,052,041,843.04 and 511,093,979.42 is: 705,557,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,081,398.66 : 1,052,041,843.04 = 511,093,979.42 : x
  2. Step 2: Convert to fraction form
    762,081,398.66/1,052,041,843.04 = 511,093,979.42/x
  3. Step 3: Cross multiply
    762,081,398.66x = 1,052,041,843.04 × 511,093,979.42
  4. Step 4: Simplify right side
    762,081,398.66x = 537,692,252,067,848,960
  5. Step 5: Solve for x
    x = 537,692,252,067,848,960/762,081,398.66
  6. Step 6: Final answer
    x = 705,557,507.39

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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.