Home / 15,629,009,072.74-21,567,985,563.16-8,492,444,658.84

Finding the Fourth Proportional to 15,629,009,072.74, 21,567,985,563.16 and 8,492,444,658.84

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Solution

The fourth proportional to 15,629,009,072.74, 21,567,985,563.16 and 8,492,444,658.84 is: 11,719,548,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629,009,072.74 : 21,567,985,563.16 = 8,492,444,658.84 : x
  2. Step 2: Convert to fraction form
    15,629,009,072.74/21,567,985,563.16 = 8,492,444,658.84/x
  3. Step 3: Cross multiply
    15,629,009,072.74x = 21,567,985,563.16 × 8,492,444,658.84
  4. Step 4: Simplify right side
    15,629,009,072.74x = 183,164,923,797,723,545,600
  5. Step 5: Solve for x
    x = 183,164,923,797,723,545,600/15,629,009,072.74
  6. Step 6: Final answer
    x = 11,719,548,113.72

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Double scale
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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.