Home / 842,866,288.62-1,264,269,122.47-221,076,554.24

Finding the Fourth Proportional to 842,866,288.62, 1,264,269,122.47 and 221,076,554.24

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Solution

The fourth proportional to 842,866,288.62, 1,264,269,122.47 and 221,076,554.24 is: 331,606,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,866,288.62 : 1,264,269,122.47 = 221,076,554.24 : x
  2. Step 2: Convert to fraction form
    842,866,288.62/1,264,269,122.47 = 221,076,554.24/x
  3. Step 3: Cross multiply
    842,866,288.62x = 1,264,269,122.47 × 221,076,554.24
  4. Step 4: Simplify right side
    842,866,288.62x = 279,500,261,231,144,224
  5. Step 5: Solve for x
    x = 279,500,261,231,144,224/842,866,288.62
  6. Step 6: Final answer
    x = 331,606,881.19

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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.