Home / 422,056,555.82-582,470,358.64-265,557,810.14

Finding the Fourth Proportional to 422,056,555.82, 582,470,358.64 and 265,557,810.14

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Solution

The fourth proportional to 422,056,555.82, 582,470,358.64 and 265,557,810.14 is: 366,490,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,056,555.82 : 582,470,358.64 = 265,557,810.14 : x
  2. Step 2: Convert to fraction form
    422,056,555.82/582,470,358.64 = 265,557,810.14/x
  3. Step 3: Cross multiply
    422,056,555.82x = 582,470,358.64 × 265,557,810.14
  4. Step 4: Simplify right side
    422,056,555.82x = 154,679,552,911,898,816
  5. Step 5: Solve for x
    x = 154,679,552,911,898,816/422,056,555.82
  6. Step 6: Final answer
    x = 366,490,108.44

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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.