Home / 2,189,089,749-3,288,873,083.25-1,403,682,192.32

Finding the Fourth Proportional to 2,189,089,749, 3,288,873,083.25 and 1,403,682,192.32

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Solution

The fourth proportional to 2,189,089,749, 3,288,873,083.25 and 1,403,682,192.32 is: 2,108,882,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,089,749 : 3,288,873,083.25 = 1,403,682,192.32 : x
  2. Step 2: Convert to fraction form
    2,189,089,749/3,288,873,083.25 = 1,403,682,192.32/x
  3. Step 3: Cross multiply
    2,189,089,749x = 3,288,873,083.25 × 1,403,682,192.32
  4. Step 4: Simplify right side
    2,189,089,749x = 4,616,532,579,742,153,728
  5. Step 5: Solve for x
    x = 4,616,532,579,742,153,728/2,189,089,749
  6. Step 6: Final answer
    x = 2,108,882,279.43

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1.5x scale

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.