Home / 568,511,998.80-852,767,998.20-245,395,870.80

Finding the Fourth Proportional to 568,511,998.80, 852,767,998.20 and 245,395,870.80

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Solution

The fourth proportional to 568,511,998.80, 852,767,998.20 and 245,395,870.80 is: 368,093,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,511,998.80 : 852,767,998.20 = 245,395,870.80 : x
  2. Step 2: Convert to fraction form
    568,511,998.80/852,767,998.20 = 245,395,870.80/x
  3. Step 3: Cross multiply
    568,511,998.80x = 852,767,998.20 × 245,395,870.80
  4. Step 4: Simplify right side
    568,511,998.80x = 209,265,745,508,661,856
  5. Step 5: Solve for x
    x = 209,265,745,508,661,856/568,511,998.80
  6. Step 6: Final answer
    x = 368,093,806.20

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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.