Home / 909,613,679.40-1,364,420,519.10-327,366,919.80

Finding the Fourth Proportional to 909,613,679.40, 1,364,420,519.10 and 327,366,919.80

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Solution

The fourth proportional to 909,613,679.40, 1,364,420,519.10 and 327,366,919.80 is: 491,050,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,613,679.40 : 1,364,420,519.10 = 327,366,919.80 : x
  2. Step 2: Convert to fraction form
    909,613,679.40/1,364,420,519.10 = 327,366,919.80/x
  3. Step 3: Cross multiply
    909,613,679.40x = 1,364,420,519.10 × 327,366,919.80
  4. Step 4: Simplify right side
    909,613,679.40x = 446,666,142,649,684,032
  5. Step 5: Solve for x
    x = 446,666,142,649,684,032/909,613,679.40
  6. Step 6: Final answer
    x = 491,050,379.70

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Double scale
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Similar ratio
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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.