Home / 1,976,432,756.44-2,964,544,721.37-648,285,847.45

Finding the Fourth Proportional to 1,976,432,756.44, 2,964,544,721.37 and 648,285,847.45

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Solution

The fourth proportional to 1,976,432,756.44, 2,964,544,721.37 and 648,285,847.45 is: 972,394,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,432,756.44 : 2,964,544,721.37 = 648,285,847.45 : x
  2. Step 2: Convert to fraction form
    1,976,432,756.44/2,964,544,721.37 = 648,285,847.45/x
  3. Step 3: Cross multiply
    1,976,432,756.44x = 2,964,544,721.37 × 648,285,847.45
  4. Step 4: Simplify right side
    1,976,432,756.44x = 1,921,872,386,987,148,544
  5. Step 5: Solve for x
    x = 1,921,872,386,987,148,544/1,976,432,756.44
  6. Step 6: Final answer
    x = 972,394,522.77

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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.