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Finding the Fourth Proportional to 773,990,222.10, 1,086,647,411.10 and 773,990,222.10

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Solution

The fourth proportional to 773,990,222.10, 1,086,647,411.10 and 773,990,222.10 is: 1,086,647,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,990,222.10 : 1,086,647,411.10 = 773,990,222.10 : x
  2. Step 2: Convert to fraction form
    773,990,222.10/1,086,647,411.10 = 773,990,222.10/x
  3. Step 3: Cross multiply
    773,990,222.10x = 1,086,647,411.10 × 773,990,222.10
  4. Step 4: Simplify right side
    773,990,222.10x = 841,054,471,061,678,976
  5. Step 5: Solve for x
    x = 841,054,471,061,678,976/773,990,222.10
  6. Step 6: Final answer
    x = 1,086,647,411.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.