Home / 1,122,187,914.40-1,548,667,148.22-627,150,608.32

Finding the Fourth Proportional to 1,122,187,914.40, 1,548,667,148.22 and 627,150,608.32

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Solution

The fourth proportional to 1,122,187,914.40, 1,548,667,148.22 and 627,150,608.32 is: 865,494,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,187,914.40 : 1,548,667,148.22 = 627,150,608.32 : x
  2. Step 2: Convert to fraction form
    1,122,187,914.40/1,548,667,148.22 = 627,150,608.32/x
  3. Step 3: Cross multiply
    1,122,187,914.40x = 1,548,667,148.22 × 627,150,608.32
  4. Step 4: Simplify right side
    1,122,187,914.40x = 971,247,544,091,372,672
  5. Step 5: Solve for x
    x = 971,247,544,091,372,672/1,122,187,914.40
  6. Step 6: Final answer
    x = 865,494,567.91

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Half scale
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Double scale
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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.