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Finding the Fourth Proportional to 436,746,978,005.95, 655,120,467,008.93 and 436,746,978,005.95

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Solution

The fourth proportional to 436,746,978,005.95, 655,120,467,008.93 and 436,746,978,005.95 is: 655,120,467,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,746,978,005.95 : 655,120,467,008.93 = 436,746,978,005.95 : x
  2. Step 2: Convert to fraction form
    436,746,978,005.95/655,120,467,008.93 = 436,746,978,005.95/x
  3. Step 3: Cross multiply
    436,746,978,005.95x = 655,120,467,008.93 × 436,746,978,005.95
  4. Step 4: Simplify right side
    436,746,978,005.95x = 286,121,884,195,996,865,396,736
  5. Step 5: Solve for x
    x = 286,121,884,195,996,865,396,736/436,746,978,005.95
  6. Step 6: Final answer
    x = 655,120,467,008.93

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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.