Home / 8,520,170,719.21-11,757,610,048.94-4,761,012,176.89

Finding the Fourth Proportional to 8,520,170,719.21, 11,757,610,048.94 and 4,761,012,176.89

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Solution

The fourth proportional to 8,520,170,719.21, 11,757,610,048.94 and 4,761,012,176.89 is: 6,570,070,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,170,719.21 : 11,757,610,048.94 = 4,761,012,176.89 : x
  2. Step 2: Convert to fraction form
    8,520,170,719.21/11,757,610,048.94 = 4,761,012,176.89/x
  3. Step 3: Cross multiply
    8,520,170,719.21x = 11,757,610,048.94 × 4,761,012,176.89
  4. Step 4: Simplify right side
    8,520,170,719.21x = 55,978,124,614,044,975,104
  5. Step 5: Solve for x
    x = 55,978,124,614,044,975,104/8,520,170,719.21
  6. Step 6: Final answer
    x = 6,570,070,771.92

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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.