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Finding the Fourth Proportional to 568,656,069.60, 852,984,104.40 and 476,823,064.80

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Solution

The fourth proportional to 568,656,069.60, 852,984,104.40 and 476,823,064.80 is: 715,234,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,656,069.60 : 852,984,104.40 = 476,823,064.80 : x
  2. Step 2: Convert to fraction form
    568,656,069.60/852,984,104.40 = 476,823,064.80/x
  3. Step 3: Cross multiply
    568,656,069.60x = 852,984,104.40 × 476,823,064.80
  4. Step 4: Simplify right side
    568,656,069.60x = 406,722,494,885,691,136
  5. Step 5: Solve for x
    x = 406,722,494,885,691,136/568,656,069.60
  6. Step 6: Final answer
    x = 715,234,597.20

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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.