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Finding the Fourth Proportional to 1,113,833,905,890.70, 1,670,750,858,836.10 and 1,113,833,905,890.70

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Solution

The fourth proportional to 1,113,833,905,890.70, 1,670,750,858,836.10 and 1,113,833,905,890.70 is: 1,670,750,858,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,833,905,890.70 : 1,670,750,858,836.10 = 1,113,833,905,890.70 : x
  2. Step 2: Convert to fraction form
    1,113,833,905,890.70/1,670,750,858,836.10 = 1,113,833,905,890.70/x
  3. Step 3: Cross multiply
    1,113,833,905,890.70x = 1,670,750,858,836.10 × 1,113,833,905,890.70
  4. Step 4: Simplify right side
    1,113,833,905,890.70x = 1,860,938,954,867,654,753,517,568
  5. Step 5: Solve for x
    x = 1,860,938,954,867,654,753,517,568/1,113,833,905,890.70
  6. Step 6: Final answer
    x = 1,670,750,858,836.10

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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.