Home / 345,312,008.80-517,968,013.20-343,296,469.60

Finding the Fourth Proportional to 345,312,008.80, 517,968,013.20 and 343,296,469.60

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Solution

The fourth proportional to 345,312,008.80, 517,968,013.20 and 343,296,469.60 is: 514,944,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,312,008.80 : 517,968,013.20 = 343,296,469.60 : x
  2. Step 2: Convert to fraction form
    345,312,008.80/517,968,013.20 = 343,296,469.60/x
  3. Step 3: Cross multiply
    345,312,008.80x = 517,968,013.20 × 343,296,469.60
  4. Step 4: Simplify right side
    345,312,008.80x = 177,816,590,297,286,208
  5. Step 5: Solve for x
    x = 177,816,590,297,286,208/345,312,008.80
  6. Step 6: Final answer
    x = 514,944,704.40

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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.