Home / 1,189,242,004.60-1,783,863,006.90-879,305,613.40

Finding the Fourth Proportional to 1,189,242,004.60, 1,783,863,006.90 and 879,305,613.40

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Solution

The fourth proportional to 1,189,242,004.60, 1,783,863,006.90 and 879,305,613.40 is: 1,318,958,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,242,004.60 : 1,783,863,006.90 = 879,305,613.40 : x
  2. Step 2: Convert to fraction form
    1,189,242,004.60/1,783,863,006.90 = 879,305,613.40/x
  3. Step 3: Cross multiply
    1,189,242,004.60x = 1,783,863,006.90 × 879,305,613.40
  4. Step 4: Simplify right side
    1,189,242,004.60x = 1,568,560,755,503,772,928
  5. Step 5: Solve for x
    x = 1,568,560,755,503,772,928/1,189,242,004.60
  6. Step 6: Final answer
    x = 1,318,958,420.10

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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.