Home / 408,621,141.84-563,909,085.24-222,994,114.80

Finding the Fourth Proportional to 408,621,141.84, 563,909,085.24 and 222,994,114.80

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Solution

The fourth proportional to 408,621,141.84, 563,909,085.24 and 222,994,114.80 is: 307,738,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,141.84 : 563,909,085.24 = 222,994,114.80 : x
  2. Step 2: Convert to fraction form
    408,621,141.84/563,909,085.24 = 222,994,114.80/x
  3. Step 3: Cross multiply
    408,621,141.84x = 563,909,085.24 × 222,994,114.80
  4. Step 4: Simplify right side
    408,621,141.84x = 125,748,407,290,771,552
  5. Step 5: Solve for x
    x = 125,748,407,290,771,552/408,621,141.84
  6. Step 6: Final answer
    x = 307,738,377.72

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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.