Home / 407,885,783,945.40-562,884,131,799.65-222,491,533,107.49

Finding the Fourth Proportional to 407,885,783,945.40, 562,884,131,799.65 and 222,491,533,107.49

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Solution

The fourth proportional to 407,885,783,945.40, 562,884,131,799.65 and 222,491,533,107.49 is: 307,039,270,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,783,945.40 : 562,884,131,799.65 = 222,491,533,107.49 : x
  2. Step 2: Convert to fraction form
    407,885,783,945.40/562,884,131,799.65 = 222,491,533,107.49/x
  3. Step 3: Cross multiply
    407,885,783,945.40x = 562,884,131,799.65 × 222,491,533,107.49
  4. Step 4: Simplify right side
    407,885,783,945.40x = 125,236,953,445,982,588,108,800
  5. Step 5: Solve for x
    x = 125,236,953,445,982,588,108,800/407,885,783,945.40
  6. Step 6: Final answer
    x = 307,039,270,245.19

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Double scale
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1.5x scale

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.