Home / 1,941,765,035.24-2,680,364,455.09-1,272,753,193.64

Finding the Fourth Proportional to 1,941,765,035.24, 2,680,364,455.09 and 1,272,753,193.64

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Solution

The fourth proportional to 1,941,765,035.24, 2,680,364,455.09 and 1,272,753,193.64 is: 1,756,877,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,765,035.24 : 2,680,364,455.09 = 1,272,753,193.64 : x
  2. Step 2: Convert to fraction form
    1,941,765,035.24/2,680,364,455.09 = 1,272,753,193.64/x
  3. Step 3: Cross multiply
    1,941,765,035.24x = 2,680,364,455.09 × 1,272,753,193.64
  4. Step 4: Simplify right side
    1,941,765,035.24x = 3,411,442,420,321,871,360
  5. Step 5: Solve for x
    x = 3,411,442,420,321,871,360/1,941,765,035.24
  6. Step 6: Final answer
    x = 1,756,877,046.61

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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.