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Finding the Fourth Proportional to 127,712,325,692.40, 191,568,488,538.60 and 127,712,325,692.40

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Solution

The fourth proportional to 127,712,325,692.40, 191,568,488,538.60 and 127,712,325,692.40 is: 191,568,488,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,712,325,692.40 : 191,568,488,538.60 = 127,712,325,692.40 : x
  2. Step 2: Convert to fraction form
    127,712,325,692.40/191,568,488,538.60 = 127,712,325,692.40/x
  3. Step 3: Cross multiply
    127,712,325,692.40x = 191,568,488,538.60 × 127,712,325,692.40
  4. Step 4: Simplify right side
    127,712,325,692.40x = 24,465,657,200,642,478,833,664
  5. Step 5: Solve for x
    x = 24,465,657,200,642,478,833,664/127,712,325,692.40
  6. Step 6: Final answer
    x = 191,568,488,538.60

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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.