Home / 1,197,545,628.80-1,796,318,443.20-679,776,003.20

Finding the Fourth Proportional to 1,197,545,628.80, 1,796,318,443.20 and 679,776,003.20

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Solution

The fourth proportional to 1,197,545,628.80, 1,796,318,443.20 and 679,776,003.20 is: 1,019,664,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,545,628.80 : 1,796,318,443.20 = 679,776,003.20 : x
  2. Step 2: Convert to fraction form
    1,197,545,628.80/1,796,318,443.20 = 679,776,003.20/x
  3. Step 3: Cross multiply
    1,197,545,628.80x = 1,796,318,443.20 × 679,776,003.20
  4. Step 4: Simplify right side
    1,197,545,628.80x = 1,221,094,171,792,942,336
  5. Step 5: Solve for x
    x = 1,221,094,171,792,942,336/1,197,545,628.80
  6. Step 6: Final answer
    x = 1,019,664,004.80

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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.