Home / 694,984,047.13-959,137,133.88-393,622,968.52

Finding the Fourth Proportional to 694,984,047.13, 959,137,133.88 and 393,622,968.52

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Solution

The fourth proportional to 694,984,047.13, 959,137,133.88 and 393,622,968.52 is: 543,233,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,984,047.13 : 959,137,133.88 = 393,622,968.52 : x
  2. Step 2: Convert to fraction form
    694,984,047.13/959,137,133.88 = 393,622,968.52/x
  3. Step 3: Cross multiply
    694,984,047.13x = 959,137,133.88 × 393,622,968.52
  4. Step 4: Simplify right side
    694,984,047.13x = 377,538,405,855,610,240
  5. Step 5: Solve for x
    x = 377,538,405,855,610,240/694,984,047.13
  6. Step 6: Final answer
    x = 543,233,197.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.