Home / 463,237,745.22-639,411,396.39-298,225,183.50

Finding the Fourth Proportional to 463,237,745.22, 639,411,396.39 and 298,225,183.50

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Solution

The fourth proportional to 463,237,745.22, 639,411,396.39 and 298,225,183.50 is: 411,643,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,237,745.22 : 639,411,396.39 = 298,225,183.50 : x
  2. Step 2: Convert to fraction form
    463,237,745.22/639,411,396.39 = 298,225,183.50/x
  3. Step 3: Cross multiply
    463,237,745.22x = 639,411,396.39 × 298,225,183.50
  4. Step 4: Simplify right side
    463,237,745.22x = 190,688,581,020,398,976
  5. Step 5: Solve for x
    x = 190,688,581,020,398,976/463,237,745.22
  6. Step 6: Final answer
    x = 411,643,012.66

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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.