Home / 38,261,352,464.40-57,392,028,696.60-21,731,411,600.40

Finding the Fourth Proportional to 38,261,352,464.40, 57,392,028,696.60 and 21,731,411,600.40

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Solution

The fourth proportional to 38,261,352,464.40, 57,392,028,696.60 and 21,731,411,600.40 is: 32,597,117,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261,352,464.40 : 57,392,028,696.60 = 21,731,411,600.40 : x
  2. Step 2: Convert to fraction form
    38,261,352,464.40/57,392,028,696.60 = 21,731,411,600.40/x
  3. Step 3: Cross multiply
    38,261,352,464.40x = 57,392,028,696.60 × 21,731,411,600.40
  4. Step 4: Simplify right side
    38,261,352,464.40x = 1,247,209,798,187,783,028,736
  5. Step 5: Solve for x
    x = 1,247,209,798,187,783,028,736/38,261,352,464.40
  6. Step 6: Final answer
    x = 32,597,117,400.60

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Double scale
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Similar ratio
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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.