Home / 2,851,716,684.35-3,934,848,674.93-1,645,617,928.55

Finding the Fourth Proportional to 2,851,716,684.35, 3,934,848,674.93 and 1,645,617,928.55

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Solution

The fourth proportional to 2,851,716,684.35, 3,934,848,674.93 and 1,645,617,928.55 is: 2,270,652,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,716,684.35 : 3,934,848,674.93 = 1,645,617,928.55 : x
  2. Step 2: Convert to fraction form
    2,851,716,684.35/3,934,848,674.93 = 1,645,617,928.55/x
  3. Step 3: Cross multiply
    2,851,716,684.35x = 3,934,848,674.93 × 1,645,617,928.55
  4. Step 4: Simplify right side
    2,851,716,684.35x = 6,475,257,525,568,116,736
  5. Step 5: Solve for x
    x = 6,475,257,525,568,116,736/2,851,716,684.35
  6. Step 6: Final answer
    x = 2,270,652,467.37

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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.