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Finding the Fourth Proportional to 8,306,340,587,318.80, 12,459,510,880,978 and 8,306,340,587,318.80

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Solution

The fourth proportional to 8,306,340,587,318.80, 12,459,510,880,978 and 8,306,340,587,318.80 is: 12,459,510,880,978

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,340,587,318.80 : 12,459,510,880,978 = 8,306,340,587,318.80 : x
  2. Step 2: Convert to fraction form
    8,306,340,587,318.80/12,459,510,880,978 = 8,306,340,587,318.80/x
  3. Step 3: Cross multiply
    8,306,340,587,318.80x = 12,459,510,880,978 × 8,306,340,587,318.80
  4. Step 4: Simplify right side
    8,306,340,587,318.80x = 103,492,940,928,807,782,060,130,304
  5. Step 5: Solve for x
    x = 103,492,940,928,807,782,060,130,304/8,306,340,587,318.80
  6. Step 6: Final answer
    x = 12,459,510,880,978

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Double scale
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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.