Home / 350,945,048.82-484,151,696.73-211,638,397.62

Finding the Fourth Proportional to 350,945,048.82, 484,151,696.73 and 211,638,397.62

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Solution

The fourth proportional to 350,945,048.82, 484,151,696.73 and 211,638,397.62 is: 291,969,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,945,048.82 : 484,151,696.73 = 211,638,397.62 : x
  2. Step 2: Convert to fraction form
    350,945,048.82/484,151,696.73 = 211,638,397.62/x
  3. Step 3: Cross multiply
    350,945,048.82x = 484,151,696.73 × 211,638,397.62
  4. Step 4: Simplify right side
    350,945,048.82x = 102,465,089,300,941,408
  5. Step 5: Solve for x
    x = 102,465,089,300,941,408/350,945,048.82
  6. Step 6: Final answer
    x = 291,969,040.87

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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.