Home / 231,787,014,427.40-347,680,521,641.10-82,731,843,969.80

Finding the Fourth Proportional to 231,787,014,427.40, 347,680,521,641.10 and 82,731,843,969.80

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Solution

The fourth proportional to 231,787,014,427.40, 347,680,521,641.10 and 82,731,843,969.80 is: 124,097,765,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,014,427.40 : 347,680,521,641.10 = 82,731,843,969.80 : x
  2. Step 2: Convert to fraction form
    231,787,014,427.40/347,680,521,641.10 = 82,731,843,969.80/x
  3. Step 3: Cross multiply
    231,787,014,427.40x = 347,680,521,641.10 × 82,731,843,969.80
  4. Step 4: Simplify right side
    231,787,014,427.40x = 28,764,250,667,750,157,975,552
  5. Step 5: Solve for x
    x = 28,764,250,667,750,157,975,552/231,787,014,427.40
  6. Step 6: Final answer
    x = 124,097,765,954.70

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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.