Home / 411,581,243.80-567,982,661.60-223,409,415.48

Finding the Fourth Proportional to 411,581,243.80, 567,982,661.60 and 223,409,415.48

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Solution

The fourth proportional to 411,581,243.80, 567,982,661.60 and 223,409,415.48 is: 308,305,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,581,243.80 : 567,982,661.60 = 223,409,415.48 : x
  2. Step 2: Convert to fraction form
    411,581,243.80/567,982,661.60 = 223,409,415.48/x
  3. Step 3: Cross multiply
    411,581,243.80x = 567,982,661.60 × 223,409,415.48
  4. Step 4: Simplify right side
    411,581,243.80x = 126,892,674,430,830,640
  5. Step 5: Solve for x
    x = 126,892,674,430,830,640/411,581,243.80
  6. Step 6: Final answer
    x = 308,305,289.28

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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.