Home / 3,721,987,467.90-5,136,342,729.03-2,051,236,632.78

Finding the Fourth Proportional to 3,721,987,467.90, 5,136,342,729.03 and 2,051,236,632.78

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Solution

The fourth proportional to 3,721,987,467.90, 5,136,342,729.03 and 2,051,236,632.78 is: 2,830,706,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,987,467.90 : 5,136,342,729.03 = 2,051,236,632.78 : x
  2. Step 2: Convert to fraction form
    3,721,987,467.90/5,136,342,729.03 = 2,051,236,632.78/x
  3. Step 3: Cross multiply
    3,721,987,467.90x = 5,136,342,729.03 × 2,051,236,632.78
  4. Step 4: Simplify right side
    3,721,987,467.90x = 10,535,854,364,299,532,288
  5. Step 5: Solve for x
    x = 10,535,854,364,299,532,288/3,721,987,467.90
  6. Step 6: Final answer
    x = 2,830,706,566.09

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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.