Home / 1,110,973,975.90-1,666,831,414.41-738,948,509.51

Finding the Fourth Proportional to 1,110,973,975.90, 1,666,831,414.41 and 738,948,509.51

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Solution

The fourth proportional to 1,110,973,975.90, 1,666,831,414.41 and 738,948,509.51 is: 1,108,669,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,973,975.90 : 1,666,831,414.41 = 738,948,509.51 : x
  2. Step 2: Convert to fraction form
    1,110,973,975.90/1,666,831,414.41 = 738,948,509.51/x
  3. Step 3: Cross multiply
    1,110,973,975.90x = 1,666,831,414.41 × 738,948,509.51
  4. Step 4: Simplify right side
    1,110,973,975.90x = 1,231,702,589,274,380,544
  5. Step 5: Solve for x
    x = 1,231,702,589,274,380,544/1,110,973,975.90
  6. Step 6: Final answer
    x = 1,108,669,164.17

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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.