Home / 31,585,416,072.84-43,592,552,393.40-19,999,099,792.89

Finding the Fourth Proportional to 31,585,416,072.84, 43,592,552,393.40 and 19,999,099,792.89

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Solution

The fourth proportional to 31,585,416,072.84, 43,592,552,393.40 and 19,999,099,792.89 is: 27,601,719,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585,416,072.84 : 43,592,552,393.40 = 19,999,099,792.89 : x
  2. Step 2: Convert to fraction form
    31,585,416,072.84/43,592,552,393.40 = 19,999,099,792.89/x
  3. Step 3: Cross multiply
    31,585,416,072.84x = 43,592,552,393.40 × 19,999,099,792.89
  4. Step 4: Simplify right side
    31,585,416,072.84x = 871,811,805,542,392,397,824
  5. Step 5: Solve for x
    x = 871,811,805,542,392,397,824/31,585,416,072.84
  6. Step 6: Final answer
    x = 27,601,719,842.22

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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.