Home / 18,444,530,905.90-25,455,158,814.13-11,208,908,463.77

Finding the Fourth Proportional to 18,444,530,905.90, 25,455,158,814.13 and 11,208,908,463.77

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Solution

The fourth proportional to 18,444,530,905.90, 25,455,158,814.13 and 11,208,908,463.77 is: 15,469,330,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,530,905.90 : 25,455,158,814.13 = 11,208,908,463.77 : x
  2. Step 2: Convert to fraction form
    18,444,530,905.90/25,455,158,814.13 = 11,208,908,463.77/x
  3. Step 3: Cross multiply
    18,444,530,905.90x = 25,455,158,814.13 × 11,208,908,463.77
  4. Step 4: Simplify right side
    18,444,530,905.90x = 285,324,545,078,354,018,304
  5. Step 5: Solve for x
    x = 285,324,545,078,354,018,304/18,444,530,905.90
  6. Step 6: Final answer
    x = 15,469,330,531.31

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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.