Home / 3,315,213,509.76-4,574,971,369.91-1,809,839,860.60

Finding the Fourth Proportional to 3,315,213,509.76, 4,574,971,369.91 and 1,809,839,860.60

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Solution

The fourth proportional to 3,315,213,509.76, 4,574,971,369.91 and 1,809,839,860.60 is: 2,497,566,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,213,509.76 : 4,574,971,369.91 = 1,809,839,860.60 : x
  2. Step 2: Convert to fraction form
    3,315,213,509.76/4,574,971,369.91 = 1,809,839,860.60/x
  3. Step 3: Cross multiply
    3,315,213,509.76x = 4,574,971,369.91 × 1,809,839,860.60
  4. Step 4: Simplify right side
    3,315,213,509.76x = 8,279,965,546,346,419,200
  5. Step 5: Solve for x
    x = 8,279,965,546,346,419,200/3,315,213,509.76
  6. Step 6: Final answer
    x = 2,497,566,302.13

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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.