Home / 28,522,372,568.40-42,783,558,852.60-13,801,882,021.20

Finding the Fourth Proportional to 28,522,372,568.40, 42,783,558,852.60 and 13,801,882,021.20

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Solution

The fourth proportional to 28,522,372,568.40, 42,783,558,852.60 and 13,801,882,021.20 is: 20,702,823,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,372,568.40 : 42,783,558,852.60 = 13,801,882,021.20 : x
  2. Step 2: Convert to fraction form
    28,522,372,568.40/42,783,558,852.60 = 13,801,882,021.20/x
  3. Step 3: Cross multiply
    28,522,372,568.40x = 42,783,558,852.60 × 13,801,882,021.20
  4. Step 4: Simplify right side
    28,522,372,568.40x = 590,493,631,730,652,020,736
  5. Step 5: Solve for x
    x = 590,493,631,730,652,020,736/28,522,372,568.40
  6. Step 6: Final answer
    x = 20,702,823,031.80

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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.