Home / 231,787,586,187.20-347,681,379,280.80-189,911,735,998.40

Finding the Fourth Proportional to 231,787,586,187.20, 347,681,379,280.80 and 189,911,735,998.40

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Solution

The fourth proportional to 231,787,586,187.20, 347,681,379,280.80 and 189,911,735,998.40 is: 284,867,603,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,586,187.20 : 347,681,379,280.80 = 189,911,735,998.40 : x
  2. Step 2: Convert to fraction form
    231,787,586,187.20/347,681,379,280.80 = 189,911,735,998.40/x
  3. Step 3: Cross multiply
    231,787,586,187.20x = 347,681,379,280.80 × 189,911,735,998.40
  4. Step 4: Simplify right side
    231,787,586,187.20x = 66,028,774,313,534,863,441,920
  5. Step 5: Solve for x
    x = 66,028,774,313,534,863,441,920/231,787,586,187.20
  6. Step 6: Final answer
    x = 284,867,603,997.60

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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.