Home / 408,621,088.72-563,909,011.86-222,994,061.56

Finding the Fourth Proportional to 408,621,088.72, 563,909,011.86 and 222,994,061.56

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Solution

The fourth proportional to 408,621,088.72, 563,909,011.86 and 222,994,061.56 is: 307,738,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,088.72 : 563,909,011.86 = 222,994,061.56 : x
  2. Step 2: Convert to fraction form
    408,621,088.72/563,909,011.86 = 222,994,061.56/x
  3. Step 3: Cross multiply
    408,621,088.72x = 563,909,011.86 × 222,994,061.56
  4. Step 4: Simplify right side
    408,621,088.72x = 125,748,360,904,947,616
  5. Step 5: Solve for x
    x = 125,748,360,904,947,616/408,621,088.72
  6. Step 6: Final answer
    x = 307,738,304.20

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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.