Home / 402,408,096.80-603,612,145.20-334,383,648.80

Finding the Fourth Proportional to 402,408,096.80, 603,612,145.20 and 334,383,648.80

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Solution

The fourth proportional to 402,408,096.80, 603,612,145.20 and 334,383,648.80 is: 501,575,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,096.80 : 603,612,145.20 = 334,383,648.80 : x
  2. Step 2: Convert to fraction form
    402,408,096.80/603,612,145.20 = 334,383,648.80/x
  3. Step 3: Cross multiply
    402,408,096.80x = 603,612,145.20 × 334,383,648.80
  4. Step 4: Simplify right side
    402,408,096.80x = 201,838,031,571,971,424
  5. Step 5: Solve for x
    x = 201,838,031,571,971,424/402,408,096.80
  6. Step 6: Final answer
    x = 501,575,473.20

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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.