Home / 949,591,778.78-1,310,444,350.26-526,212,513.02

Finding the Fourth Proportional to 949,591,778.78, 1,310,444,350.26 and 526,212,513.02

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Solution

The fourth proportional to 949,591,778.78, 1,310,444,350.26 and 526,212,513.02 is: 726,177,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,591,778.78 : 1,310,444,350.26 = 526,212,513.02 : x
  2. Step 2: Convert to fraction form
    949,591,778.78/1,310,444,350.26 = 526,212,513.02/x
  3. Step 3: Cross multiply
    949,591,778.78x = 1,310,444,350.26 × 526,212,513.02
  4. Step 4: Simplify right side
    949,591,778.78x = 689,572,214,723,175,680
  5. Step 5: Solve for x
    x = 689,572,214,723,175,680/949,591,778.78
  6. Step 6: Final answer
    x = 726,177,532.42

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1.5x scale

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.