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Finding the Fourth Proportional to 1,211,333,885.55, 1,817,000,828.33 and 1,211,333,885.55

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Solution

The fourth proportional to 1,211,333,885.55, 1,817,000,828.33 and 1,211,333,885.55 is: 1,817,000,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,333,885.55 : 1,817,000,828.33 = 1,211,333,885.55 : x
  2. Step 2: Convert to fraction form
    1,211,333,885.55/1,817,000,828.33 = 1,211,333,885.55/x
  3. Step 3: Cross multiply
    1,211,333,885.55x = 1,817,000,828.33 × 1,211,333,885.55
  4. Step 4: Simplify right side
    1,211,333,885.55x = 2,200,994,673,422,490,624
  5. Step 5: Solve for x
    x = 2,200,994,673,422,490,624/1,211,333,885.55
  6. Step 6: Final answer
    x = 1,817,000,828.33

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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.