Home / 327,132,336,011.40-490,698,504,017.10-215,463,402,174.60

Finding the Fourth Proportional to 327,132,336,011.40, 490,698,504,017.10 and 215,463,402,174.60

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Solution

The fourth proportional to 327,132,336,011.40, 490,698,504,017.10 and 215,463,402,174.60 is: 323,195,103,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,132,336,011.40 : 490,698,504,017.10 = 215,463,402,174.60 : x
  2. Step 2: Convert to fraction form
    327,132,336,011.40/490,698,504,017.10 = 215,463,402,174.60/x
  3. Step 3: Cross multiply
    327,132,336,011.40x = 490,698,504,017.10 × 215,463,402,174.60
  4. Step 4: Simplify right side
    327,132,336,011.40x = 105,727,569,117,510,996,328,448
  5. Step 5: Solve for x
    x = 105,727,569,117,510,996,328,448/327,132,336,011.40
  6. Step 6: Final answer
    x = 323,195,103,261.90

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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.