Home / 1,777,993,510,937.80-2,666,472,875,011.60-688,647,541,603.76

Finding the Fourth Proportional to 1,777,993,510,937.80, 2,666,472,875,011.60 and 688,647,541,603.76

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Solution

The fourth proportional to 1,777,993,510,937.80, 2,666,472,875,011.60 and 688,647,541,603.76 is: 1,032,770,917,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,993,510,937.80 : 2,666,472,875,011.60 = 688,647,541,603.76 : x
  2. Step 2: Convert to fraction form
    1,777,993,510,937.80/2,666,472,875,011.60 = 688,647,541,603.76/x
  3. Step 3: Cross multiply
    1,777,993,510,937.80x = 2,666,472,875,011.60 × 688,647,541,603.76
  4. Step 4: Simplify right side
    1,777,993,510,937.80x = 1,836,259,990,129,848,315,019,264
  5. Step 5: Solve for x
    x = 1,836,259,990,129,848,315,019,264/1,777,993,510,937.80
  6. Step 6: Final answer
    x = 1,032,770,917,797.85

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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.