Home / 1,396,467,629.88-2,094,916,678.43-476,128,734.90

Finding the Fourth Proportional to 1,396,467,629.88, 2,094,916,678.43 and 476,128,734.90

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Solution

The fourth proportional to 1,396,467,629.88, 2,094,916,678.43 and 476,128,734.90 is: 714,266,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,467,629.88 : 2,094,916,678.43 = 476,128,734.90 : x
  2. Step 2: Convert to fraction form
    1,396,467,629.88/2,094,916,678.43 = 476,128,734.90/x
  3. Step 3: Cross multiply
    1,396,467,629.88x = 2,094,916,678.43 × 476,128,734.90
  4. Step 4: Simplify right side
    1,396,467,629.88x = 997,450,027,819,405,312
  5. Step 5: Solve for x
    x = 997,450,027,819,405,312/1,396,467,629.88
  6. Step 6: Final answer
    x = 714,266,486.72

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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.