Home / 769,531,644-1,062,067,127.04-487,299,844.80

Finding the Fourth Proportional to 769,531,644, 1,062,067,127.04 and 487,299,844.80

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Solution

The fourth proportional to 769,531,644, 1,062,067,127.04 and 487,299,844.80 is: 672,545,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,531,644 : 1,062,067,127.04 = 487,299,844.80 : x
  2. Step 2: Convert to fraction form
    769,531,644/1,062,067,127.04 = 487,299,844.80/x
  3. Step 3: Cross multiply
    769,531,644x = 1,062,067,127.04 × 487,299,844.80
  4. Step 4: Simplify right side
    769,531,644x = 517,545,146,173,773,888
  5. Step 5: Solve for x
    x = 517,545,146,173,773,888/769,531,644
  6. Step 6: Final answer
    x = 672,545,632.41

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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.