Home / 327,132,336,005.40-490,698,504,008.10-215,463,402,168.60

Finding the Fourth Proportional to 327,132,336,005.40, 490,698,504,008.10 and 215,463,402,168.60

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Solution

The fourth proportional to 327,132,336,005.40, 490,698,504,008.10 and 215,463,402,168.60 is: 323,195,103,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,132,336,005.40 : 490,698,504,008.10 = 215,463,402,168.60 : x
  2. Step 2: Convert to fraction form
    327,132,336,005.40/490,698,504,008.10 = 215,463,402,168.60/x
  3. Step 3: Cross multiply
    327,132,336,005.40x = 490,698,504,008.10 × 215,463,402,168.60
  4. Step 4: Simplify right side
    327,132,336,005.40x = 105,727,569,112,627,635,290,112
  5. Step 5: Solve for x
    x = 105,727,569,112,627,635,290,112/327,132,336,005.40
  6. Step 6: Final answer
    x = 323,195,103,252.90

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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.