Home / 885,384,005.20-1,328,076,007.80-271,998,739.60

Finding the Fourth Proportional to 885,384,005.20, 1,328,076,007.80 and 271,998,739.60

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Solution

The fourth proportional to 885,384,005.20, 1,328,076,007.80 and 271,998,739.60 is: 407,998,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,384,005.20 : 1,328,076,007.80 = 271,998,739.60 : x
  2. Step 2: Convert to fraction form
    885,384,005.20/1,328,076,007.80 = 271,998,739.60/x
  3. Step 3: Cross multiply
    885,384,005.20x = 1,328,076,007.80 × 271,998,739.60
  4. Step 4: Simplify right side
    885,384,005.20x = 361,235,000,214,599,808
  5. Step 5: Solve for x
    x = 361,235,000,214,599,808/885,384,005.20
  6. Step 6: Final answer
    x = 407,998,109.40

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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.