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Finding the Fourth Proportional to 45,515,702,719.10, 68,273,554,078.65 and 45,515,702,719.10

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Solution

The fourth proportional to 45,515,702,719.10, 68,273,554,078.65 and 45,515,702,719.10 is: 68,273,554,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515,702,719.10 : 68,273,554,078.65 = 45,515,702,719.10 : x
  2. Step 2: Convert to fraction form
    45,515,702,719.10/68,273,554,078.65 = 45,515,702,719.10/x
  3. Step 3: Cross multiply
    45,515,702,719.10x = 68,273,554,078.65 × 45,515,702,719.10
  4. Step 4: Simplify right side
    45,515,702,719.10x = 3,107,518,791,020,230,737,920
  5. Step 5: Solve for x
    x = 3,107,518,791,020,230,737,920/45,515,702,719.10
  6. Step 6: Final answer
    x = 68,273,554,078.65

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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.