Home / 7,970,921,978.31-11,951,757,259.43-3,773,839,558.68

Finding the Fourth Proportional to 7,970,921,978.31, 11,951,757,259.43 and 3,773,839,558.68

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Solution

The fourth proportional to 7,970,921,978.31, 11,951,757,259.43 and 3,773,839,558.68 is: 5,658,569,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970,921,978.31 : 11,951,757,259.43 = 3,773,839,558.68 : x
  2. Step 2: Convert to fraction form
    7,970,921,978.31/11,951,757,259.43 = 3,773,839,558.68/x
  3. Step 3: Cross multiply
    7,970,921,978.31x = 11,951,757,259.43 × 3,773,839,558.68
  4. Step 4: Simplify right side
    7,970,921,978.31x = 45,104,014,341,358,919,680
  5. Step 5: Solve for x
    x = 45,104,014,341,358,919,680/7,970,921,978.31
  6. Step 6: Final answer
    x = 5,658,569,292.75

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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.