Home / 1,189,080,068.80-1,783,620,103.20-1,081,941,563.20

Finding the Fourth Proportional to 1,189,080,068.80, 1,783,620,103.20 and 1,081,941,563.20

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Solution

The fourth proportional to 1,189,080,068.80, 1,783,620,103.20 and 1,081,941,563.20 is: 1,622,912,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,080,068.80 : 1,783,620,103.20 = 1,081,941,563.20 : x
  2. Step 2: Convert to fraction form
    1,189,080,068.80/1,783,620,103.20 = 1,081,941,563.20/x
  3. Step 3: Cross multiply
    1,189,080,068.80x = 1,783,620,103.20 × 1,081,941,563.20
  4. Step 4: Simplify right side
    1,189,080,068.80x = 1,929,772,722,611,153,408
  5. Step 5: Solve for x
    x = 1,929,772,722,611,153,408/1,189,080,068.80
  6. Step 6: Final answer
    x = 1,622,912,344.80

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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.