Home / 319,919,630.80-479,879,446.20-282,931,337.20

Finding the Fourth Proportional to 319,919,630.80, 479,879,446.20 and 282,931,337.20

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Solution

The fourth proportional to 319,919,630.80, 479,879,446.20 and 282,931,337.20 is: 424,397,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,919,630.80 : 479,879,446.20 = 282,931,337.20 : x
  2. Step 2: Convert to fraction form
    319,919,630.80/479,879,446.20 = 282,931,337.20/x
  3. Step 3: Cross multiply
    319,919,630.80x = 479,879,446.20 × 282,931,337.20
  4. Step 4: Simplify right side
    319,919,630.80x = 135,772,933,408,161,456
  5. Step 5: Solve for x
    x = 135,772,933,408,161,456/319,919,630.80
  6. Step 6: Final answer
    x = 424,397,005.80

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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.