Home / 11,436,234,747.78-15,777,108,444.60-7,141,992,894.12

Finding the Fourth Proportional to 11,436,234,747.78, 15,777,108,444.60 and 7,141,992,894.12

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Solution

The fourth proportional to 11,436,234,747.78, 15,777,108,444.60 and 7,141,992,894.12 is: 9,852,892,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436,234,747.78 : 15,777,108,444.60 = 7,141,992,894.12 : x
  2. Step 2: Convert to fraction form
    11,436,234,747.78/15,777,108,444.60 = 7,141,992,894.12/x
  3. Step 3: Cross multiply
    11,436,234,747.78x = 15,777,108,444.60 × 7,141,992,894.12
  4. Step 4: Simplify right side
    11,436,234,747.78x = 112,679,996,401,093,853,184
  5. Step 5: Solve for x
    x = 112,679,996,401,093,853,184/11,436,234,747.78
  6. Step 6: Final answer
    x = 9,852,892,922.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.