Home / 295,893,324.72-407,998,634.04-221,314,879.98

Finding the Fourth Proportional to 295,893,324.72, 407,998,634.04 and 221,314,879.98

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Solution

The fourth proportional to 295,893,324.72, 407,998,634.04 and 221,314,879.98 is: 305,164,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,893,324.72 : 407,998,634.04 = 221,314,879.98 : x
  2. Step 2: Convert to fraction form
    295,893,324.72/407,998,634.04 = 221,314,879.98/x
  3. Step 3: Cross multiply
    295,893,324.72x = 407,998,634.04 × 221,314,879.98
  4. Step 4: Simplify right side
    295,893,324.72x = 90,296,168,724,566,544
  5. Step 5: Solve for x
    x = 90,296,168,724,566,544/295,893,324.72
  6. Step 6: Final answer
    x = 305,164,602.18

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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.