Home / 12,984,667,053,431-17,919,190,457,888-7,639,540,315,775.20

Finding the Fourth Proportional to 12,984,667,053,431, 17,919,190,457,888 and 7,639,540,315,775.20

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Solution

The fourth proportional to 12,984,667,053,431, 17,919,190,457,888 and 7,639,540,315,775.20 is: 10,542,771,513,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,667,053,431 : 17,919,190,457,888 = 7,639,540,315,775.20 : x
  2. Step 2: Convert to fraction form
    12,984,667,053,431/17,919,190,457,888 = 7,639,540,315,775.20/x
  3. Step 3: Cross multiply
    12,984,667,053,431x = 17,919,190,457,888 × 7,639,540,315,775.20
  4. Step 4: Simplify right side
    12,984,667,053,431x = 136,894,377,929,089,651,245,580,288
  5. Step 5: Solve for x
    x = 136,894,377,929,089,651,245,580,288/12,984,667,053,431
  6. Step 6: Final answer
    x = 10,542,771,513,954.02

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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.