Home / 481,242,586.98-720,620,667-332,137,143.11

Finding the Fourth Proportional to 481,242,586.98, 720,620,667 and 332,137,143.11

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Solution

The fourth proportional to 481,242,586.98, 720,620,667 and 332,137,143.11 is: 497,347,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,242,586.98 : 720,620,667 = 332,137,143.11 : x
  2. Step 2: Convert to fraction form
    481,242,586.98/720,620,667 = 332,137,143.11/x
  3. Step 3: Cross multiply
    481,242,586.98x = 720,620,667 × 332,137,143.11
  4. Step 4: Simplify right side
    481,242,586.98x = 239,344,889,602,501,856
  5. Step 5: Solve for x
    x = 239,344,889,602,501,856/481,242,586.98
  6. Step 6: Final answer
    x = 497,347,691.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.