Home / 828,211,529.96-1,241,040,242.46-407,549,992.04

Finding the Fourth Proportional to 828,211,529.96, 1,241,040,242.46 and 407,549,992.04

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Solution

The fourth proportional to 828,211,529.96, 1,241,040,242.46 and 407,549,992.04 is: 610,696,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,211,529.96 : 1,241,040,242.46 = 407,549,992.04 : x
  2. Step 2: Convert to fraction form
    828,211,529.96/1,241,040,242.46 = 407,549,992.04/x
  3. Step 3: Cross multiply
    828,211,529.96x = 1,241,040,242.46 × 407,549,992.04
  4. Step 4: Simplify right side
    828,211,529.96x = 505,785,940,935,892,736
  5. Step 5: Solve for x
    x = 505,785,940,935,892,736/828,211,529.96
  6. Step 6: Final answer
    x = 610,696,570.43

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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.