Home / 563,305,649.76-844,469,986.32-218,021,623.20

Finding the Fourth Proportional to 563,305,649.76, 844,469,986.32 and 218,021,623.20

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Solution

The fourth proportional to 563,305,649.76, 844,469,986.32 and 218,021,623.20 is: 326,843,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,305,649.76 : 844,469,986.32 = 218,021,623.20 : x
  2. Step 2: Convert to fraction form
    563,305,649.76/844,469,986.32 = 218,021,623.20/x
  3. Step 3: Cross multiply
    563,305,649.76x = 844,469,986.32 × 218,021,623.20
  4. Step 4: Simplify right side
    563,305,649.76x = 184,112,717,161,168,192
  5. Step 5: Solve for x
    x = 184,112,717,161,168,192/563,305,649.76
  6. Step 6: Final answer
    x = 326,843,370.45

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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.