Home / 734,858,999.70-1,102,288,499.55-325,915,150.20

Finding the Fourth Proportional to 734,858,999.70, 1,102,288,499.55 and 325,915,150.20

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Solution

The fourth proportional to 734,858,999.70, 1,102,288,499.55 and 325,915,150.20 is: 488,872,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,858,999.70 : 1,102,288,499.55 = 325,915,150.20 : x
  2. Step 2: Convert to fraction form
    734,858,999.70/1,102,288,499.55 = 325,915,150.20/x
  3. Step 3: Cross multiply
    734,858,999.70x = 1,102,288,499.55 × 325,915,150.20
  4. Step 4: Simplify right side
    734,858,999.70x = 359,252,521,894,570,880
  5. Step 5: Solve for x
    x = 359,252,521,894,570,880/734,858,999.70
  6. Step 6: Final answer
    x = 488,872,725.30

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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.