Home / 663,361,724.16-994,107,251.52-313,234,220.16

Finding the Fourth Proportional to 663,361,724.16, 994,107,251.52 and 313,234,220.16

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Solution

The fourth proportional to 663,361,724.16, 994,107,251.52 and 313,234,220.16 is: 469,409,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,361,724.16 : 994,107,251.52 = 313,234,220.16 : x
  2. Step 2: Convert to fraction form
    663,361,724.16/994,107,251.52 = 313,234,220.16/x
  3. Step 3: Cross multiply
    663,361,724.16x = 994,107,251.52 × 313,234,220.16
  4. Step 4: Simplify right side
    663,361,724.16x = 311,388,409,685,268,224
  5. Step 5: Solve for x
    x = 311,388,409,685,268,224/663,361,724.16
  6. Step 6: Final answer
    x = 469,409,672.50

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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.