Home / 812,469,012,632.64-1,121,207,958,691.40-446,669,439,539.18

Finding the Fourth Proportional to 812,469,012,632.64, 1,121,207,958,691.40 and 446,669,439,539.18

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Solution

The fourth proportional to 812,469,012,632.64, 1,121,207,958,691.40 and 446,669,439,539.18 is: 616,404,223,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,469,012,632.64 : 1,121,207,958,691.40 = 446,669,439,539.18 : x
  2. Step 2: Convert to fraction form
    812,469,012,632.64/1,121,207,958,691.40 = 446,669,439,539.18/x
  3. Step 3: Cross multiply
    812,469,012,632.64x = 1,121,207,958,691.40 × 446,669,439,539.18
  4. Step 4: Simplify right side
    812,469,012,632.64x = 500,809,330,515,555,670,556,672
  5. Step 5: Solve for x
    x = 500,809,330,515,555,670,556,672/812,469,012,632.64
  6. Step 6: Final answer
    x = 616,404,223,088.81

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.