Home / 18,156,528,008.40-27,234,792,012.60-8,858,436,272.40

Finding the Fourth Proportional to 18,156,528,008.40, 27,234,792,012.60 and 8,858,436,272.40

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Solution

The fourth proportional to 18,156,528,008.40, 27,234,792,012.60 and 8,858,436,272.40 is: 13,287,654,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,528,008.40 : 27,234,792,012.60 = 8,858,436,272.40 : x
  2. Step 2: Convert to fraction form
    18,156,528,008.40/27,234,792,012.60 = 8,858,436,272.40/x
  3. Step 3: Cross multiply
    18,156,528,008.40x = 27,234,792,012.60 × 8,858,436,272.40
  4. Step 4: Simplify right side
    18,156,528,008.40x = 241,257,669,435,685,601,280
  5. Step 5: Solve for x
    x = 241,257,669,435,685,601,280/18,156,528,008.40
  6. Step 6: Final answer
    x = 13,287,654,408.60

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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.