Home / 8,421,049,016.86-11,620,587,249.16-4,609,834,684.06

Finding the Fourth Proportional to 8,421,049,016.86, 11,620,587,249.16 and 4,609,834,684.06

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Solution

The fourth proportional to 8,421,049,016.86, 11,620,587,249.16 and 4,609,834,684.06 is: 6,361,319,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,049,016.86 : 11,620,587,249.16 = 4,609,834,684.06 : x
  2. Step 2: Convert to fraction form
    8,421,049,016.86/11,620,587,249.16 = 4,609,834,684.06/x
  3. Step 3: Cross multiply
    8,421,049,016.86x = 11,620,587,249.16 × 4,609,834,684.06
  4. Step 4: Simplify right side
    8,421,049,016.86x = 53,568,986,150,323,159,040
  5. Step 5: Solve for x
    x = 53,568,986,150,323,159,040/8,421,049,016.86
  6. Step 6: Final answer
    x = 6,361,319,835.93

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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.