Home / 5,199,957,212.42-7,175,954,714.51-2,821,095,075.87

Finding the Fourth Proportional to 5,199,957,212.42, 7,175,954,714.51 and 2,821,095,075.87

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Solution

The fourth proportional to 5,199,957,212.42, 7,175,954,714.51 and 2,821,095,075.87 is: 3,893,118,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,957,212.42 : 7,175,954,714.51 = 2,821,095,075.87 : x
  2. Step 2: Convert to fraction form
    5,199,957,212.42/7,175,954,714.51 = 2,821,095,075.87/x
  3. Step 3: Cross multiply
    5,199,957,212.42x = 7,175,954,714.51 × 2,821,095,075.87
  4. Step 4: Simplify right side
    5,199,957,212.42x = 20,244,050,509,777,321,984
  5. Step 5: Solve for x
    x = 20,244,050,509,777,321,984/5,199,957,212.42
  6. Step 6: Final answer
    x = 3,893,118,670.56

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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.