Home / 1,434,011,948.21-1,978,890,079.32-823,058,571.94

Finding the Fourth Proportional to 1,434,011,948.21, 1,978,890,079.32 and 823,058,571.94

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Solution

The fourth proportional to 1,434,011,948.21, 1,978,890,079.32 and 823,058,571.94 is: 1,135,794,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,011,948.21 : 1,978,890,079.32 = 823,058,571.94 : x
  2. Step 2: Convert to fraction form
    1,434,011,948.21/1,978,890,079.32 = 823,058,571.94/x
  3. Step 3: Cross multiply
    1,434,011,948.21x = 1,978,890,079.32 × 823,058,571.94
  4. Step 4: Simplify right side
    1,434,011,948.21x = 1,628,742,442,706,405,120
  5. Step 5: Solve for x
    x = 1,628,742,442,706,405,120/1,434,011,948.21
  6. Step 6: Final answer
    x = 1,135,794,192.47

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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.