Home / 2,774,117,079.36-4,161,175,538.64-1,279,706,475.57

Finding the Fourth Proportional to 2,774,117,079.36, 4,161,175,538.64 and 1,279,706,475.57

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Solution

The fourth proportional to 2,774,117,079.36, 4,161,175,538.64 and 1,279,706,475.57 is: 1,919,559,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,117,079.36 : 4,161,175,538.64 = 1,279,706,475.57 : x
  2. Step 2: Convert to fraction form
    2,774,117,079.36/4,161,175,538.64 = 1,279,706,475.57/x
  3. Step 3: Cross multiply
    2,774,117,079.36x = 4,161,175,538.64 × 1,279,706,475.57
  4. Step 4: Simplify right side
    2,774,117,079.36x = 5,325,083,282,781,089,792
  5. Step 5: Solve for x
    x = 5,325,083,282,781,089,792/2,774,117,079.36
  6. Step 6: Final answer
    x = 1,919,559,676.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.