Home / 38,458,447,217.22-53,072,968,778.37-21,311,586,915.06

Finding the Fourth Proportional to 38,458,447,217.22, 53,072,968,778.37 and 21,311,586,915.06

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Solution

The fourth proportional to 38,458,447,217.22, 53,072,968,778.37 and 21,311,586,915.06 is: 29,410,162,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,447,217.22 : 53,072,968,778.37 = 21,311,586,915.06 : x
  2. Step 2: Convert to fraction form
    38,458,447,217.22/53,072,968,778.37 = 21,311,586,915.06/x
  3. Step 3: Cross multiply
    38,458,447,217.22x = 53,072,968,778.37 × 21,311,586,915.06
  4. Step 4: Simplify right side
    38,458,447,217.22x = 1,131,069,186,960,498,098,176
  5. Step 5: Solve for x
    x = 1,131,069,186,960,498,098,176/38,458,447,217.22
  6. Step 6: Final answer
    x = 29,410,162,624.92

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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.