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Finding the Fourth Proportional to 8,456,229,260.40, 12,684,343,890.60 and 8,456,229,260.40

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Solution

The fourth proportional to 8,456,229,260.40, 12,684,343,890.60 and 8,456,229,260.40 is: 12,684,343,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,229,260.40 : 12,684,343,890.60 = 8,456,229,260.40 : x
  2. Step 2: Convert to fraction form
    8,456,229,260.40/12,684,343,890.60 = 8,456,229,260.40/x
  3. Step 3: Cross multiply
    8,456,229,260.40x = 12,684,343,890.60 × 8,456,229,260.40
  4. Step 4: Simplify right side
    8,456,229,260.40x = 107,261,719,956,667,695,104
  5. Step 5: Solve for x
    x = 107,261,719,956,667,695,104/8,456,229,260.40
  6. Step 6: Final answer
    x = 12,684,343,890.60

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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.