Home / 1,912,383,828-2,639,020,007.88-1,065,567,396.96

Finding the Fourth Proportional to 1,912,383,828, 2,639,020,007.88 and 1,065,567,396.96

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Solution

The fourth proportional to 1,912,383,828, 2,639,020,007.88 and 1,065,567,396.96 is: 1,470,444,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,383,828 : 2,639,020,007.88 = 1,065,567,396.96 : x
  2. Step 2: Convert to fraction form
    1,912,383,828/2,639,020,007.88 = 1,065,567,396.96/x
  3. Step 3: Cross multiply
    1,912,383,828x = 2,639,020,007.88 × 1,065,567,396.96
  4. Step 4: Simplify right side
    1,912,383,828x = 2,812,053,680,322,050,560
  5. Step 5: Solve for x
    x = 2,812,053,680,322,050,560/1,912,383,828
  6. Step 6: Final answer
    x = 1,470,444,185.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.