Home / 442,880,416.80-664,320,625.20-422,725,024.80

Finding the Fourth Proportional to 442,880,416.80, 664,320,625.20 and 422,725,024.80

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Solution

The fourth proportional to 442,880,416.80, 664,320,625.20 and 422,725,024.80 is: 634,087,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,416.80 : 664,320,625.20 = 422,725,024.80 : x
  2. Step 2: Convert to fraction form
    442,880,416.80/664,320,625.20 = 422,725,024.80/x
  3. Step 3: Cross multiply
    442,880,416.80x = 664,320,625.20 × 422,725,024.80
  4. Step 4: Simplify right side
    442,880,416.80x = 280,824,952,762,821,536
  5. Step 5: Solve for x
    x = 280,824,952,762,821,536/442,880,416.80
  6. Step 6: Final answer
    x = 634,087,537.20

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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.