Home / 450,285,280.92-621,400,033.82-259,440,824.24

Finding the Fourth Proportional to 450,285,280.92, 621,400,033.82 and 259,440,824.24

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Solution

The fourth proportional to 450,285,280.92, 621,400,033.82 and 259,440,824.24 is: 358,031,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,285,280.92 : 621,400,033.82 = 259,440,824.24 : x
  2. Step 2: Convert to fraction form
    450,285,280.92/621,400,033.82 = 259,440,824.24/x
  3. Step 3: Cross multiply
    450,285,280.92x = 621,400,033.82 × 259,440,824.24
  4. Step 4: Simplify right side
    450,285,280.92x = 161,216,536,957,024,704
  5. Step 5: Solve for x
    x = 161,216,536,957,024,704/450,285,280.92
  6. Step 6: Final answer
    x = 358,031,993.91

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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.