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Finding the Fourth Proportional to 12,132,317,287.20, 17,008,176,559.20 and 12,132,317,287.20

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Solution

The fourth proportional to 12,132,317,287.20, 17,008,176,559.20 and 12,132,317,287.20 is: 17,008,176,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,317,287.20 : 17,008,176,559.20 = 12,132,317,287.20 : x
  2. Step 2: Convert to fraction form
    12,132,317,287.20/17,008,176,559.20 = 12,132,317,287.20/x
  3. Step 3: Cross multiply
    12,132,317,287.20x = 17,008,176,559.20 × 12,132,317,287.20
  4. Step 4: Simplify right side
    12,132,317,287.20x = 206,348,594,492,931,997,696
  5. Step 5: Solve for x
    x = 206,348,594,492,931,997,696/12,132,317,287.20
  6. Step 6: Final answer
    x = 17,008,176,559.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.