Home / 299,076,680.58-412,779,843.63-178,382,404.32

Finding the Fourth Proportional to 299,076,680.58, 412,779,843.63 and 178,382,404.32

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Solution

The fourth proportional to 299,076,680.58, 412,779,843.63 and 178,382,404.32 is: 246,199,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,076,680.58 : 412,779,843.63 = 178,382,404.32 : x
  2. Step 2: Convert to fraction form
    299,076,680.58/412,779,843.63 = 178,382,404.32/x
  3. Step 3: Cross multiply
    299,076,680.58x = 412,779,843.63 × 178,382,404.32
  4. Step 4: Simplify right side
    299,076,680.58x = 73,632,660,961,553,040
  5. Step 5: Solve for x
    x = 73,632,660,961,553,040/299,076,680.58
  6. Step 6: Final answer
    x = 246,199,940.49

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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.