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Finding the Fourth Proportional to 127,458,203,920.40, 191,187,305,880.60 and 127,458,203,920.40

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Solution

The fourth proportional to 127,458,203,920.40, 191,187,305,880.60 and 127,458,203,920.40 is: 191,187,305,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,458,203,920.40 : 191,187,305,880.60 = 127,458,203,920.40 : x
  2. Step 2: Convert to fraction form
    127,458,203,920.40/191,187,305,880.60 = 127,458,203,920.40/x
  3. Step 3: Cross multiply
    127,458,203,920.40x = 191,187,305,880.60 × 127,458,203,920.40
  4. Step 4: Simplify right side
    127,458,203,920.40x = 24,368,390,619,921,404,395,520
  5. Step 5: Solve for x
    x = 24,368,390,619,921,404,395,520/127,458,203,920.40
  6. Step 6: Final answer
    x = 191,187,305,880.60

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1.5x scale

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.