Finding the Fourth Proportional to 3,419,353,852.74, 4,718,756,507.86 and 1,970,128,759.82
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Solution
The fourth proportional to 3,419,353,852.74, 4,718,756,507.86 and 1,970,128,759.82 is: 2,718,805,454.80
Step by Step Solution
- Step 1: Write the proportion equation
3,419,353,852.74 : 4,718,756,507.86 = 1,970,128,759.82 : x - Step 2: Convert to fraction form
3,419,353,852.74/4,718,756,507.86 = 1,970,128,759.82/x - Step 3: Cross multiply
3,419,353,852.74x = 4,718,756,507.86 × 1,970,128,759.82 - Step 4: Simplify right side
3,419,353,852.74x = 9,296,557,906,729,648,128 - Step 5: Solve for x
x = 9,296,557,906,729,648,128/3,419,353,852.74 - Step 6: Final answer
x = 2,718,805,454.80
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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.