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Finding the Fourth Proportional to 127,650,871,292.85, 191,476,306,939.28 and 127,650,871,292.85

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Solution

The fourth proportional to 127,650,871,292.85, 191,476,306,939.28 and 127,650,871,292.85 is: 191,476,306,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,292.85 : 191,476,306,939.28 = 127,650,871,292.85 : x
  2. Step 2: Convert to fraction form
    127,650,871,292.85/191,476,306,939.28 = 127,650,871,292.85/x
  3. Step 3: Cross multiply
    127,650,871,292.85x = 191,476,306,939.28 × 127,650,871,292.85
  4. Step 4: Simplify right side
    127,650,871,292.85x = 24,442,117,412,736,271,908,864
  5. Step 5: Solve for x
    x = 24,442,117,412,736,271,908,864/127,650,871,292.85
  6. Step 6: Final answer
    x = 191,476,306,939.28

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Half scale
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Double scale
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Similar ratio
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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.