Home / 1,968,972,856.20-2,951,611,706.70-742,965,150.60

Finding the Fourth Proportional to 1,968,972,856.20, 2,951,611,706.70 and 742,965,150.60

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Solution

The fourth proportional to 1,968,972,856.20, 2,951,611,706.70 and 742,965,150.60 is: 1,113,750,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,972,856.20 : 2,951,611,706.70 = 742,965,150.60 : x
  2. Step 2: Convert to fraction form
    1,968,972,856.20/2,951,611,706.70 = 742,965,150.60/x
  3. Step 3: Cross multiply
    1,968,972,856.20x = 2,951,611,706.70 × 742,965,150.60
  4. Step 4: Simplify right side
    1,968,972,856.20x = 2,192,944,636,181,088,512
  5. Step 5: Solve for x
    x = 2,192,944,636,181,088,512/1,968,972,856.20
  6. Step 6: Final answer
    x = 1,113,750,567.60

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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.