Home / 8,520,170,721.15-11,757,610,051.62-4,761,012,178.83

Finding the Fourth Proportional to 8,520,170,721.15, 11,757,610,051.62 and 4,761,012,178.83

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Solution

The fourth proportional to 8,520,170,721.15, 11,757,610,051.62 and 4,761,012,178.83 is: 6,570,070,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,170,721.15 : 11,757,610,051.62 = 4,761,012,178.83 : x
  2. Step 2: Convert to fraction form
    8,520,170,721.15/11,757,610,051.62 = 4,761,012,178.83/x
  3. Step 3: Cross multiply
    8,520,170,721.15x = 11,757,610,051.62 × 4,761,012,178.83
  4. Step 4: Simplify right side
    8,520,170,721.15x = 55,978,124,649,696,845,824
  5. Step 5: Solve for x
    x = 55,978,124,649,696,845,824/8,520,170,721.15
  6. Step 6: Final answer
    x = 6,570,070,774.61

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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.