Home / 629,856,562.40-944,784,843.60-319,920,171.20

Finding the Fourth Proportional to 629,856,562.40, 944,784,843.60 and 319,920,171.20

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Solution

The fourth proportional to 629,856,562.40, 944,784,843.60 and 319,920,171.20 is: 479,880,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,562.40 : 944,784,843.60 = 319,920,171.20 : x
  2. Step 2: Convert to fraction form
    629,856,562.40/944,784,843.60 = 319,920,171.20/x
  3. Step 3: Cross multiply
    629,856,562.40x = 944,784,843.60 × 319,920,171.20
  4. Step 4: Simplify right side
    629,856,562.40x = 302,255,728,911,677,248
  5. Step 5: Solve for x
    x = 302,255,728,911,677,248/629,856,562.40
  6. Step 6: Final answer
    x = 479,880,256.80

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Similar ratio
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1.5x scale

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.