Home / 340,544,080.80-510,816,121.20-321,732,381.60

Finding the Fourth Proportional to 340,544,080.80, 510,816,121.20 and 321,732,381.60

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Solution

The fourth proportional to 340,544,080.80, 510,816,121.20 and 321,732,381.60 is: 482,598,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,544,080.80 : 510,816,121.20 = 321,732,381.60 : x
  2. Step 2: Convert to fraction form
    340,544,080.80/510,816,121.20 = 321,732,381.60/x
  3. Step 3: Cross multiply
    340,544,080.80x = 510,816,121.20 × 321,732,381.60
  4. Step 4: Simplify right side
    340,544,080.80x = 164,346,087,233,350,272
  5. Step 5: Solve for x
    x = 164,346,087,233,350,272/340,544,080.80
  6. Step 6: Final answer
    x = 482,598,572.40

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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.