Home / 1,777,993,872.80-2,666,990,809.20-1,678,224,682.40

Finding the Fourth Proportional to 1,777,993,872.80, 2,666,990,809.20 and 1,678,224,682.40

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Solution

The fourth proportional to 1,777,993,872.80, 2,666,990,809.20 and 1,678,224,682.40 is: 2,517,337,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,993,872.80 : 2,666,990,809.20 = 1,678,224,682.40 : x
  2. Step 2: Convert to fraction form
    1,777,993,872.80/2,666,990,809.20 = 1,678,224,682.40/x
  3. Step 3: Cross multiply
    1,777,993,872.80x = 2,666,990,809.20 × 1,678,224,682.40
  4. Step 4: Simplify right side
    1,777,993,872.80x = 4,475,809,803,733,388,800
  5. Step 5: Solve for x
    x = 4,475,809,803,733,388,800/1,777,993,872.80
  6. Step 6: Final answer
    x = 2,517,337,023.60

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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.