Home / 561,802,395.52-842,731,794.56-178,879,807.36

Finding the Fourth Proportional to 561,802,395.52, 842,731,794.56 and 178,879,807.36

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Solution

The fourth proportional to 561,802,395.52, 842,731,794.56 and 178,879,807.36 is: 268,328,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,802,395.52 : 842,731,794.56 = 178,879,807.36 : x
  2. Step 2: Convert to fraction form
    561,802,395.52/842,731,794.56 = 178,879,807.36/x
  3. Step 3: Cross multiply
    561,802,395.52x = 842,731,794.56 × 178,879,807.36
  4. Step 4: Simplify right side
    561,802,395.52x = 150,747,701,067,039,904
  5. Step 5: Solve for x
    x = 150,747,701,067,039,904/561,802,395.52
  6. Step 6: Final answer
    x = 268,328,690.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.