Home / 2,321,346,989.60-3,477,485,521.20-1,398,481,978.40

Finding the Fourth Proportional to 2,321,346,989.60, 3,477,485,521.20 and 1,398,481,978.40

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Solution

The fourth proportional to 2,321,346,989.60, 3,477,485,521.20 and 1,398,481,978.40 is: 2,094,990,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,346,989.60 : 3,477,485,521.20 = 1,398,481,978.40 : x
  2. Step 2: Convert to fraction form
    2,321,346,989.60/3,477,485,521.20 = 1,398,481,978.40/x
  3. Step 3: Cross multiply
    2,321,346,989.60x = 3,477,485,521.20 × 1,398,481,978.40
  4. Step 4: Simplify right side
    2,321,346,989.60x = 4,863,200,831,545,131,008
  5. Step 5: Solve for x
    x = 4,863,200,831,545,131,008/2,321,346,989.60
  6. Step 6: Final answer
    x = 2,094,990,905.42

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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.