Home / 7,144,650,850.12-9,860,852,278.64-4,135,562,675.61

Finding the Fourth Proportional to 7,144,650,850.12, 9,860,852,278.64 and 4,135,562,675.61

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Solution

The fourth proportional to 7,144,650,850.12, 9,860,852,278.64 and 4,135,562,675.61 is: 5,707,790,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,650,850.12 : 9,860,852,278.64 = 4,135,562,675.61 : x
  2. Step 2: Convert to fraction form
    7,144,650,850.12/9,860,852,278.64 = 4,135,562,675.61/x
  3. Step 3: Cross multiply
    7,144,650,850.12x = 9,860,852,278.64 × 4,135,562,675.61
  4. Step 4: Simplify right side
    7,144,650,850.12x = 40,780,172,633,247,399,936
  5. Step 5: Solve for x
    x = 40,780,172,633,247,399,936/7,144,650,850.12
  6. Step 6: Final answer
    x = 5,707,790,833.83

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1.5x scale

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.