Home / 472,405,008.60-708,607,512.90-149,288,880.60

Finding the Fourth Proportional to 472,405,008.60, 708,607,512.90 and 149,288,880.60

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Solution

The fourth proportional to 472,405,008.60, 708,607,512.90 and 149,288,880.60 is: 223,933,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,405,008.60 : 708,607,512.90 = 149,288,880.60 : x
  2. Step 2: Convert to fraction form
    472,405,008.60/708,607,512.90 = 149,288,880.60/x
  3. Step 3: Cross multiply
    472,405,008.60x = 708,607,512.90 × 149,288,880.60
  4. Step 4: Simplify right side
    472,405,008.60x = 105,787,222,385,591,056
  5. Step 5: Solve for x
    x = 105,787,222,385,591,056/472,405,008.60
  6. Step 6: Final answer
    x = 223,933,320.90

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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.