Home / 5,238,855,866.03-7,229,584,317.20-2,859,993,803.28

Finding the Fourth Proportional to 5,238,855,866.03, 7,229,584,317.20 and 2,859,993,803.28

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Solution

The fourth proportional to 5,238,855,866.03, 7,229,584,317.20 and 2,859,993,803.28 is: 3,946,771,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,855,866.03 : 7,229,584,317.20 = 2,859,993,803.28 : x
  2. Step 2: Convert to fraction form
    5,238,855,866.03/7,229,584,317.20 = 2,859,993,803.28/x
  3. Step 3: Cross multiply
    5,238,855,866.03x = 7,229,584,317.20 × 2,859,993,803.28
  4. Step 4: Simplify right side
    5,238,855,866.03x = 20,676,566,347,467,972,608
  5. Step 5: Solve for x
    x = 20,676,566,347,467,972,608/5,238,855,866.03
  6. Step 6: Final answer
    x = 3,946,771,370.74

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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.