Home / 405,344,546.92-559,361,867.70-240,234,095.08

Finding the Fourth Proportional to 405,344,546.92, 559,361,867.70 and 240,234,095.08

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Solution

The fourth proportional to 405,344,546.92, 559,361,867.70 and 240,234,095.08 is: 331,514,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,344,546.92 : 559,361,867.70 = 240,234,095.08 : x
  2. Step 2: Convert to fraction form
    405,344,546.92/559,361,867.70 = 240,234,095.08/x
  3. Step 3: Cross multiply
    405,344,546.92x = 559,361,867.70 × 240,234,095.08
  4. Step 4: Simplify right side
    405,344,546.92x = 134,377,792,109,168,192
  5. Step 5: Solve for x
    x = 134,377,792,109,168,192/405,344,546.92
  6. Step 6: Final answer
    x = 331,514,986.77

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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.