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Finding the Fourth Proportional to 780,024,978,032.60, 1,170,037,467,049 and 780,024,978,032.60

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Solution

The fourth proportional to 780,024,978,032.60, 1,170,037,467,049 and 780,024,978,032.60 is: 1,170,037,467,049

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,024,978,032.60 : 1,170,037,467,049 = 780,024,978,032.60 : x
  2. Step 2: Convert to fraction form
    780,024,978,032.60/1,170,037,467,049 = 780,024,978,032.60/x
  3. Step 3: Cross multiply
    780,024,978,032.60x = 1,170,037,467,049 × 780,024,978,032.60
  4. Step 4: Simplify right side
    780,024,978,032.60x = 912,658,449,532,215,147,626,496
  5. Step 5: Solve for x
    x = 912,658,449,532,215,147,626,496/780,024,978,032.60
  6. Step 6: Final answer
    x = 1,170,037,467,049

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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.