Home / 1,211,114,192.91-1,671,338,257.97-654,197,243.01

Finding the Fourth Proportional to 1,211,114,192.91, 1,671,338,257.97 and 654,197,243.01

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Solution

The fourth proportional to 1,211,114,192.91, 1,671,338,257.97 and 654,197,243.01 is: 902,792,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,114,192.91 : 1,671,338,257.97 = 654,197,243.01 : x
  2. Step 2: Convert to fraction form
    1,211,114,192.91/1,671,338,257.97 = 654,197,243.01/x
  3. Step 3: Cross multiply
    1,211,114,192.91x = 1,671,338,257.97 × 654,197,243.01
  4. Step 4: Simplify right side
    1,211,114,192.91x = 1,093,384,880,497,839,104
  5. Step 5: Solve for x
    x = 1,093,384,880,497,839,104/1,211,114,192.91
  6. Step 6: Final answer
    x = 902,792,558.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.