Home / 679,042,898,163.90-937,082,112,768.65-370,400,983,239.55

Finding the Fourth Proportional to 679,042,898,163.90, 937,082,112,768.65 and 370,400,983,239.55

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Solution

The fourth proportional to 679,042,898,163.90, 937,082,112,768.65 and 370,400,983,239.55 is: 511,154,946,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,163.90 : 937,082,112,768.65 = 370,400,983,239.55 : x
  2. Step 2: Convert to fraction form
    679,042,898,163.90/937,082,112,768.65 = 370,400,983,239.55/x
  3. Step 3: Cross multiply
    679,042,898,163.90x = 937,082,112,768.65 × 370,400,983,239.55
  4. Step 4: Simplify right side
    679,042,898,163.90x = 347,096,135,945,702,858,555,392
  5. Step 5: Solve for x
    x = 347,096,135,945,702,858,555,392/679,042,898,163.90
  6. Step 6: Final answer
    x = 511,154,946,004.49

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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.