Home / 1,941,346,653.12-2,907,397,602.90-1,239,665,343.84

Finding the Fourth Proportional to 1,941,346,653.12, 2,907,397,602.90 and 1,239,665,343.84

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Solution

The fourth proportional to 1,941,346,653.12, 2,907,397,602.90 and 1,239,665,343.84 is: 1,856,546,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,346,653.12 : 2,907,397,602.90 = 1,239,665,343.84 : x
  2. Step 2: Convert to fraction form
    1,941,346,653.12/2,907,397,602.90 = 1,239,665,343.84/x
  3. Step 3: Cross multiply
    1,941,346,653.12x = 2,907,397,602.90 × 1,239,665,343.84
  4. Step 4: Simplify right side
    1,941,346,653.12x = 3,604,200,049,078,620,160
  5. Step 5: Solve for x
    x = 3,604,200,049,078,620,160/1,941,346,653.12
  6. Step 6: Final answer
    x = 1,856,546,353.16

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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.