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Finding the Fourth Proportional to 1,036,679,633.65, 1,555,019,450.48 and 1,036,679,633.65

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Solution

The fourth proportional to 1,036,679,633.65, 1,555,019,450.48 and 1,036,679,633.65 is: 1,555,019,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,679,633.65 : 1,555,019,450.48 = 1,036,679,633.65 : x
  2. Step 2: Convert to fraction form
    1,036,679,633.65/1,555,019,450.48 = 1,036,679,633.65/x
  3. Step 3: Cross multiply
    1,036,679,633.65x = 1,555,019,450.48 × 1,036,679,633.65
  4. Step 4: Simplify right side
    1,036,679,633.65x = 1,612,056,994,242,230,784
  5. Step 5: Solve for x
    x = 1,612,056,994,242,230,784/1,036,679,633.65
  6. Step 6: Final answer
    x = 1,555,019,450.48

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Double scale
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1.5x scale

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.