Home / 327,132,336,017.15-490,698,504,025.72-215,463,402,180.35

Finding the Fourth Proportional to 327,132,336,017.15, 490,698,504,025.72 and 215,463,402,180.35

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Solution

The fourth proportional to 327,132,336,017.15, 490,698,504,025.72 and 215,463,402,180.35 is: 323,195,103,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,132,336,017.15 : 490,698,504,025.72 = 215,463,402,180.35 : x
  2. Step 2: Convert to fraction form
    327,132,336,017.15/490,698,504,025.72 = 215,463,402,180.35/x
  3. Step 3: Cross multiply
    327,132,336,017.15x = 490,698,504,025.72 × 215,463,402,180.35
  4. Step 4: Simplify right side
    327,132,336,017.15x = 105,727,569,122,189,792,772,096
  5. Step 5: Solve for x
    x = 105,727,569,122,189,792,772,096/327,132,336,017.15
  6. Step 6: Final answer
    x = 323,195,103,270.52

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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.