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Finding the Fourth Proportional to 1,091,890,368,050.70, 1,635,631,559,960.90 and 1,091,890,368,050.70

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Solution

The fourth proportional to 1,091,890,368,050.70, 1,635,631,559,960.90 and 1,091,890,368,050.70 is: 1,635,631,559,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,890,368,050.70 : 1,635,631,559,960.90 = 1,091,890,368,050.70 : x
  2. Step 2: Convert to fraction form
    1,091,890,368,050.70/1,635,631,559,960.90 = 1,091,890,368,050.70/x
  3. Step 3: Cross multiply
    1,091,890,368,050.70x = 1,635,631,559,960.90 × 1,091,890,368,050.70
  4. Step 4: Simplify right side
    1,091,890,368,050.70x = 1,785,930,346,001,047,582,932,992
  5. Step 5: Solve for x
    x = 1,785,930,346,001,047,582,932,992/1,091,890,368,050.70
  6. Step 6: Final answer
    x = 1,635,631,559,960.90

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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.