Home / 789,214,523.60-1,183,821,785.40-206,947,643.60

Finding the Fourth Proportional to 789,214,523.60, 1,183,821,785.40 and 206,947,643.60

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Solution

The fourth proportional to 789,214,523.60, 1,183,821,785.40 and 206,947,643.60 is: 310,421,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,214,523.60 : 1,183,821,785.40 = 206,947,643.60 : x
  2. Step 2: Convert to fraction form
    789,214,523.60/1,183,821,785.40 = 206,947,643.60/x
  3. Step 3: Cross multiply
    789,214,523.60x = 1,183,821,785.40 × 206,947,643.60
  4. Step 4: Simplify right side
    789,214,523.60x = 244,989,128,930,874,912
  5. Step 5: Solve for x
    x = 244,989,128,930,874,912/789,214,523.60
  6. Step 6: Final answer
    x = 310,421,465.40

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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.