Home / 5,238,855,841.20-7,229,584,282.93-2,859,993,778.45

Finding the Fourth Proportional to 5,238,855,841.20, 7,229,584,282.93 and 2,859,993,778.45

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Solution

The fourth proportional to 5,238,855,841.20, 7,229,584,282.93 and 2,859,993,778.45 is: 3,946,771,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,855,841.20 : 7,229,584,282.93 = 2,859,993,778.45 : x
  2. Step 2: Convert to fraction form
    5,238,855,841.20/7,229,584,282.93 = 2,859,993,778.45/x
  3. Step 3: Cross multiply
    5,238,855,841.20x = 7,229,584,282.93 × 2,859,993,778.45
  4. Step 4: Simplify right side
    5,238,855,841.20x = 20,676,566,069,988,589,568
  5. Step 5: Solve for x
    x = 20,676,566,069,988,589,568/5,238,855,841.20
  6. Step 6: Final answer
    x = 3,946,771,336.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.