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Finding the Fourth Proportional to 2,822,980,205.80, 3,956,253,755 and 2,822,980,205.80

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Solution

The fourth proportional to 2,822,980,205.80, 3,956,253,755 and 2,822,980,205.80 is: 3,956,253,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822,980,205.80 : 3,956,253,755 = 2,822,980,205.80 : x
  2. Step 2: Convert to fraction form
    2,822,980,205.80/3,956,253,755 = 2,822,980,205.80/x
  3. Step 3: Cross multiply
    2,822,980,205.80x = 3,956,253,755 × 2,822,980,205.80
  4. Step 4: Simplify right side
    2,822,980,205.80x = 11,168,426,039,486,922,752
  5. Step 5: Solve for x
    x = 11,168,426,039,486,922,752/2,822,980,205.80
  6. Step 6: Final answer
    x = 3,956,253,755.00

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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.