Home / 1,422,076,742.56-2,131,178,306.58-800,588,379.52

Finding the Fourth Proportional to 1,422,076,742.56, 2,131,178,306.58 and 800,588,379.52

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Solution

The fourth proportional to 1,422,076,742.56, 2,131,178,306.58 and 800,588,379.52 is: 1,199,792,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,076,742.56 : 2,131,178,306.58 = 800,588,379.52 : x
  2. Step 2: Convert to fraction form
    1,422,076,742.56/2,131,178,306.58 = 800,588,379.52/x
  3. Step 3: Cross multiply
    1,422,076,742.56x = 2,131,178,306.58 × 800,588,379.52
  4. Step 4: Simplify right side
    1,422,076,742.56x = 1,706,196,586,933,059,840
  5. Step 5: Solve for x
    x = 1,706,196,586,933,059,840/1,422,076,742.56
  6. Step 6: Final answer
    x = 1,199,792,202.40

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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.