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Finding the Fourth Proportional to 8,609,328,002.40, 12,893,584,669.20 and 8,609,328,002.40

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Solution

The fourth proportional to 8,609,328,002.40, 12,893,584,669.20 and 8,609,328,002.40 is: 12,893,584,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,328,002.40 : 12,893,584,669.20 = 8,609,328,002.40 : x
  2. Step 2: Convert to fraction form
    8,609,328,002.40/12,893,584,669.20 = 8,609,328,002.40/x
  3. Step 3: Cross multiply
    8,609,328,002.40x = 12,893,584,669.20 × 8,609,328,002.40
  4. Step 4: Simplify right side
    8,609,328,002.40x = 111,005,099,543,858,905,088
  5. Step 5: Solve for x
    x = 111,005,099,543,858,905,088/8,609,328,002.40
  6. Step 6: Final answer
    x = 12,893,584,669.20

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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.