Home / 994,024,239.80-1,491,036,359.70-339,714,080.60

Finding the Fourth Proportional to 994,024,239.80, 1,491,036,359.70 and 339,714,080.60

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Solution

The fourth proportional to 994,024,239.80, 1,491,036,359.70 and 339,714,080.60 is: 509,571,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,024,239.80 : 1,491,036,359.70 = 339,714,080.60 : x
  2. Step 2: Convert to fraction form
    994,024,239.80/1,491,036,359.70 = 339,714,080.60/x
  3. Step 3: Cross multiply
    994,024,239.80x = 1,491,036,359.70 × 339,714,080.60
  4. Step 4: Simplify right side
    994,024,239.80x = 506,526,046,076,656,448
  5. Step 5: Solve for x
    x = 506,526,046,076,656,448/994,024,239.80
  6. Step 6: Final answer
    x = 509,571,120.90

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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.