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Finding the Fourth Proportional to 7,520,992,938.40, 11,281,489,407.60 and 7,520,992,938.40

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Solution

The fourth proportional to 7,520,992,938.40, 11,281,489,407.60 and 7,520,992,938.40 is: 11,281,489,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,992,938.40 : 11,281,489,407.60 = 7,520,992,938.40 : x
  2. Step 2: Convert to fraction form
    7,520,992,938.40/11,281,489,407.60 = 7,520,992,938.40/x
  3. Step 3: Cross multiply
    7,520,992,938.40x = 11,281,489,407.60 × 7,520,992,938.40
  4. Step 4: Simplify right side
    7,520,992,938.40x = 84,848,002,169,194,004,480
  5. Step 5: Solve for x
    x = 84,848,002,169,194,004,480/7,520,992,938.40
  6. Step 6: Final answer
    x = 11,281,489,407.60

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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.