Home / 679,042,898,168.15-937,082,112,774.58-370,400,983,243.80

Finding the Fourth Proportional to 679,042,898,168.15, 937,082,112,774.58 and 370,400,983,243.80

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Solution

The fourth proportional to 679,042,898,168.15, 937,082,112,774.58 and 370,400,983,243.80 is: 511,154,946,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,168.15 : 937,082,112,774.58 = 370,400,983,243.80 : x
  2. Step 2: Convert to fraction form
    679,042,898,168.15/937,082,112,774.58 = 370,400,983,243.80/x
  3. Step 3: Cross multiply
    679,042,898,168.15x = 937,082,112,774.58 × 370,400,983,243.80
  4. Step 4: Simplify right side
    679,042,898,168.15x = 347,096,135,951,881,907,208,192
  5. Step 5: Solve for x
    x = 347,096,135,951,881,907,208,192/679,042,898,168.15
  6. Step 6: Final answer
    x = 511,154,946,010.39

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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.