Home / 994,032,003.80-1,491,048,005.70-339,721,844.60

Finding the Fourth Proportional to 994,032,003.80, 1,491,048,005.70 and 339,721,844.60

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Solution

The fourth proportional to 994,032,003.80, 1,491,048,005.70 and 339,721,844.60 is: 509,582,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,032,003.80 : 1,491,048,005.70 = 339,721,844.60 : x
  2. Step 2: Convert to fraction form
    994,032,003.80/1,491,048,005.70 = 339,721,844.60/x
  3. Step 3: Cross multiply
    994,032,003.80x = 1,491,048,005.70 × 339,721,844.60
  4. Step 4: Simplify right side
    994,032,003.80x = 506,541,578,883,555,392
  5. Step 5: Solve for x
    x = 506,541,578,883,555,392/994,032,003.80
  6. Step 6: Final answer
    x = 509,582,766.90

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1.5x scale

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.