Home / 869,970,919.96-1,200,586,233.90-473,522,577.40

Finding the Fourth Proportional to 869,970,919.96, 1,200,586,233.90 and 473,522,577.40

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Solution

The fourth proportional to 869,970,919.96, 1,200,586,233.90 and 473,522,577.40 is: 653,475,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,970,919.96 : 1,200,586,233.90 = 473,522,577.40 : x
  2. Step 2: Convert to fraction form
    869,970,919.96/1,200,586,233.90 = 473,522,577.40/x
  3. Step 3: Cross multiply
    869,970,919.96x = 1,200,586,233.90 × 473,522,577.40
  4. Step 4: Simplify right side
    869,970,919.96x = 568,504,687,867,287,296
  5. Step 5: Solve for x
    x = 568,504,687,867,287,296/869,970,919.96
  6. Step 6: Final answer
    x = 653,475,506.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.