Home / 1,076,760,152.38-1,614,493,389.57-420,930,070.30

Finding the Fourth Proportional to 1,076,760,152.38, 1,614,493,389.57 and 420,930,070.30

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Solution

The fourth proportional to 1,076,760,152.38, 1,614,493,389.57 and 420,930,070.30 is: 631,142,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,760,152.38 : 1,614,493,389.57 = 420,930,070.30 : x
  2. Step 2: Convert to fraction form
    1,076,760,152.38/1,614,493,389.57 = 420,930,070.30/x
  3. Step 3: Cross multiply
    1,076,760,152.38x = 1,614,493,389.57 × 420,930,070.30
  4. Step 4: Simplify right side
    1,076,760,152.38x = 679,588,815,970,585,344
  5. Step 5: Solve for x
    x = 679,588,815,970,585,344/1,076,760,152.38
  6. Step 6: Final answer
    x = 631,142,241.35

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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.