Home / 408,621,135.84-563,909,076.96-222,994,108.80

Finding the Fourth Proportional to 408,621,135.84, 563,909,076.96 and 222,994,108.80

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Solution

The fourth proportional to 408,621,135.84, 563,909,076.96 and 222,994,108.80 is: 307,738,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,135.84 : 563,909,076.96 = 222,994,108.80 : x
  2. Step 2: Convert to fraction form
    408,621,135.84/563,909,076.96 = 222,994,108.80/x
  3. Step 3: Cross multiply
    408,621,135.84x = 563,909,076.96 × 222,994,108.80
  4. Step 4: Simplify right side
    408,621,135.84x = 125,748,402,060,925,824
  5. Step 5: Solve for x
    x = 125,748,402,060,925,824/408,621,135.84
  6. Step 6: Final answer
    x = 307,738,369.44

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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.