Home / 18,156,528,081.40-27,234,792,122.10-8,858,436,345.40

Finding the Fourth Proportional to 18,156,528,081.40, 27,234,792,122.10 and 8,858,436,345.40

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Solution

The fourth proportional to 18,156,528,081.40, 27,234,792,122.10 and 8,858,436,345.40 is: 13,287,654,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,528,081.40 : 27,234,792,122.10 = 8,858,436,345.40 : x
  2. Step 2: Convert to fraction form
    18,156,528,081.40/27,234,792,122.10 = 8,858,436,345.40/x
  3. Step 3: Cross multiply
    18,156,528,081.40x = 27,234,792,122.10 × 8,858,436,345.40
  4. Step 4: Simplify right side
    18,156,528,081.40x = 241,257,672,393,824,206,848
  5. Step 5: Solve for x
    x = 241,257,672,393,824,206,848/18,156,528,081.40
  6. Step 6: Final answer
    x = 13,287,654,518.10

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Double scale
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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.