Home / 442,624,642.20-664,362,116.10-224,521,255.80

Finding the Fourth Proportional to 442,624,642.20, 664,362,116.10 and 224,521,255.80

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Solution

The fourth proportional to 442,624,642.20, 664,362,116.10 and 224,521,255.80 is: 336,997,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,624,642.20 : 664,362,116.10 = 224,521,255.80 : x
  2. Step 2: Convert to fraction form
    442,624,642.20/664,362,116.10 = 224,521,255.80/x
  3. Step 3: Cross multiply
    442,624,642.20x = 664,362,116.10 × 224,521,255.80
  4. Step 4: Simplify right side
    442,624,642.20x = 149,163,416,612,717,408
  5. Step 5: Solve for x
    x = 149,163,416,612,717,408/442,624,642.20
  6. Step 6: Final answer
    x = 336,997,542.37

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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.