Home / 1,777,993,864.80-2,666,990,797.20-1,678,224,674.40

Finding the Fourth Proportional to 1,777,993,864.80, 2,666,990,797.20 and 1,678,224,674.40

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Solution

The fourth proportional to 1,777,993,864.80, 2,666,990,797.20 and 1,678,224,674.40 is: 2,517,337,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,993,864.80 : 2,666,990,797.20 = 1,678,224,674.40 : x
  2. Step 2: Convert to fraction form
    1,777,993,864.80/2,666,990,797.20 = 1,678,224,674.40/x
  3. Step 3: Cross multiply
    1,777,993,864.80x = 2,666,990,797.20 × 1,678,224,674.40
  4. Step 4: Simplify right side
    1,777,993,864.80x = 4,475,809,762,258,766,336
  5. Step 5: Solve for x
    x = 4,475,809,762,258,766,336/1,777,993,864.80
  6. Step 6: Final answer
    x = 2,517,337,011.60

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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.