Home / 21,558,528,076.70-32,337,792,115.05-12,270,923,443.10

Finding the Fourth Proportional to 21,558,528,076.70, 32,337,792,115.05 and 12,270,923,443.10

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Solution

The fourth proportional to 21,558,528,076.70, 32,337,792,115.05 and 12,270,923,443.10 is: 18,406,385,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,528,076.70 : 32,337,792,115.05 = 12,270,923,443.10 : x
  2. Step 2: Convert to fraction form
    21,558,528,076.70/32,337,792,115.05 = 12,270,923,443.10/x
  3. Step 3: Cross multiply
    21,558,528,076.70x = 32,337,792,115.05 × 12,270,923,443.10
  4. Step 4: Simplify right side
    21,558,528,076.70x = 396,814,571,362,661,367,808
  5. Step 5: Solve for x
    x = 396,814,571,362,661,367,808/21,558,528,076.70
  6. Step 6: Final answer
    x = 18,406,385,164.65

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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.