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Finding the Fourth Proportional to 186,280,115,999.80, 279,420,173,999.70 and 186,280,115,999.80

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Solution

The fourth proportional to 186,280,115,999.80, 279,420,173,999.70 and 186,280,115,999.80 is: 279,420,173,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,280,115,999.80 : 279,420,173,999.70 = 186,280,115,999.80 : x
  2. Step 2: Convert to fraction form
    186,280,115,999.80/279,420,173,999.70 = 186,280,115,999.80/x
  3. Step 3: Cross multiply
    186,280,115,999.80x = 279,420,173,999.70 × 186,280,115,999.80
  4. Step 4: Simplify right side
    186,280,115,999.80x = 52,050,422,425,348,416,208,896
  5. Step 5: Solve for x
    x = 52,050,422,425,348,416,208,896/186,280,115,999.80
  6. Step 6: Final answer
    x = 279,420,173,999.70

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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.