Home / 408,341,345,257.20-563,765,369,286.36-259,938,972,418.86

Finding the Fourth Proportional to 408,341,345,257.20, 563,765,369,286.36 and 259,938,972,418.86

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Solution

The fourth proportional to 408,341,345,257.20, 563,765,369,286.36 and 259,938,972,418.86 is: 358,877,670,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,341,345,257.20 : 563,765,369,286.36 = 259,938,972,418.86 : x
  2. Step 2: Convert to fraction form
    408,341,345,257.20/563,765,369,286.36 = 259,938,972,418.86/x
  3. Step 3: Cross multiply
    408,341,345,257.20x = 563,765,369,286.36 × 259,938,972,418.86
  4. Step 4: Simplify right side
    408,341,345,257.20x = 146,544,590,777,635,550,789,632
  5. Step 5: Solve for x
    x = 146,544,590,777,635,550,789,632/408,341,345,257.20
  6. Step 6: Final answer
    x = 358,877,670,556.07

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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.