Home / 513,658,847.40-770,488,271.10-329,992,837.80

Finding the Fourth Proportional to 513,658,847.40, 770,488,271.10 and 329,992,837.80

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Solution

The fourth proportional to 513,658,847.40, 770,488,271.10 and 329,992,837.80 is: 494,989,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,658,847.40 : 770,488,271.10 = 329,992,837.80 : x
  2. Step 2: Convert to fraction form
    513,658,847.40/770,488,271.10 = 329,992,837.80/x
  3. Step 3: Cross multiply
    513,658,847.40x = 770,488,271.10 × 329,992,837.80
  4. Step 4: Simplify right side
    513,658,847.40x = 254,255,611,071,904,736
  5. Step 5: Solve for x
    x = 254,255,611,071,904,736/513,658,847.40
  6. Step 6: Final answer
    x = 494,989,256.70

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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.