Home / 294,181,108.57-405,998,605.11-219,712,383.19

Finding the Fourth Proportional to 294,181,108.57, 405,998,605.11 and 219,712,383.19

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Solution

The fourth proportional to 294,181,108.57, 405,998,605.11 and 219,712,383.19 is: 303,224,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,181,108.57 : 405,998,605.11 = 219,712,383.19 : x
  2. Step 2: Convert to fraction form
    294,181,108.57/405,998,605.11 = 219,712,383.19/x
  3. Step 3: Cross multiply
    294,181,108.57x = 405,998,605.11 × 219,712,383.19
  4. Step 4: Simplify right side
    294,181,108.57x = 89,202,921,100,533,808
  5. Step 5: Solve for x
    x = 89,202,921,100,533,808/294,181,108.57
  6. Step 6: Final answer
    x = 303,224,505.25

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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.