Home / 408,621,096.72-563,909,022.90-222,994,069.56

Finding the Fourth Proportional to 408,621,096.72, 563,909,022.90 and 222,994,069.56

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Solution

The fourth proportional to 408,621,096.72, 563,909,022.90 and 222,994,069.56 is: 307,738,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,096.72 : 563,909,022.90 = 222,994,069.56 : x
  2. Step 2: Convert to fraction form
    408,621,096.72/563,909,022.90 = 222,994,069.56/x
  3. Step 3: Cross multiply
    408,621,096.72x = 563,909,022.90 × 222,994,069.56
  4. Step 4: Simplify right side
    408,621,096.72x = 125,748,367,878,074,224
  5. Step 5: Solve for x
    x = 125,748,367,878,074,224/408,621,096.72
  6. Step 6: Final answer
    x = 307,738,315.24

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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.