Home / 1,929,817,928.55-2,887,422,072.21-1,143,293,843.46

Finding the Fourth Proportional to 1,929,817,928.55, 2,887,422,072.21 and 1,143,293,843.46

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Solution

The fourth proportional to 1,929,817,928.55, 2,887,422,072.21 and 1,143,293,843.46 is: 1,710,613,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,817,928.55 : 2,887,422,072.21 = 1,143,293,843.46 : x
  2. Step 2: Convert to fraction form
    1,929,817,928.55/2,887,422,072.21 = 1,143,293,843.46/x
  3. Step 3: Cross multiply
    1,929,817,928.55x = 2,887,422,072.21 × 1,143,293,843.46
  4. Step 4: Simplify right side
    1,929,817,928.55x = 3,301,171,878,628,208,640
  5. Step 5: Solve for x
    x = 3,301,171,878,628,208,640/1,929,817,928.55
  6. Step 6: Final answer
    x = 1,710,613,125.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.