Home / 38,261,352,449.40-57,392,028,674.10-21,731,411,585.40

Finding the Fourth Proportional to 38,261,352,449.40, 57,392,028,674.10 and 21,731,411,585.40

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Solution

The fourth proportional to 38,261,352,449.40, 57,392,028,674.10 and 21,731,411,585.40 is: 32,597,117,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261,352,449.40 : 57,392,028,674.10 = 21,731,411,585.40 : x
  2. Step 2: Convert to fraction form
    38,261,352,449.40/57,392,028,674.10 = 21,731,411,585.40/x
  3. Step 3: Cross multiply
    38,261,352,449.40x = 57,392,028,674.10 × 21,731,411,585.40
  4. Step 4: Simplify right side
    38,261,352,449.40x = 1,247,209,796,837,945,901,056
  5. Step 5: Solve for x
    x = 1,247,209,796,837,945,901,056/38,261,352,449.40
  6. Step 6: Final answer
    x = 32,597,117,378.10

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Double scale
Find fourth proportional to 38,261,352,450.40, 57,392,028,675.60 and 21,731,411,586.40
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.