Home / 411,043,313.84-567,256,128.36-225,410,987.12

Finding the Fourth Proportional to 411,043,313.84, 567,256,128.36 and 225,410,987.12

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Solution

The fourth proportional to 411,043,313.84, 567,256,128.36 and 225,410,987.12 is: 311,076,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,043,313.84 : 567,256,128.36 = 225,410,987.12 : x
  2. Step 2: Convert to fraction form
    411,043,313.84/567,256,128.36 = 225,410,987.12/x
  3. Step 3: Cross multiply
    411,043,313.84x = 567,256,128.36 × 225,410,987.12
  4. Step 4: Simplify right side
    411,043,313.84x = 127,865,763,843,497,040
  5. Step 5: Solve for x
    x = 127,865,763,843,497,040/411,043,313.84
  6. Step 6: Final answer
    x = 311,076,131.25

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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.