Home / 8,421,049,018.86-11,620,587,251.92-4,609,834,686.06

Finding the Fourth Proportional to 8,421,049,018.86, 11,620,587,251.92 and 4,609,834,686.06

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Solution

The fourth proportional to 8,421,049,018.86, 11,620,587,251.92 and 4,609,834,686.06 is: 6,361,319,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,049,018.86 : 11,620,587,251.92 = 4,609,834,686.06 : x
  2. Step 2: Convert to fraction form
    8,421,049,018.86/11,620,587,251.92 = 4,609,834,686.06/x
  3. Step 3: Cross multiply
    8,421,049,018.86x = 11,620,587,251.92 × 4,609,834,686.06
  4. Step 4: Simplify right side
    8,421,049,018.86x = 53,568,986,186,287,472,640
  5. Step 5: Solve for x
    x = 53,568,986,186,287,472,640/8,421,049,018.86
  6. Step 6: Final answer
    x = 6,361,319,838.69

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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.