Finding the Fourth Proportional to 5,139,583,109.44, 7,092,667,205.76 and 2,792,739,653.44
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Solution
The fourth proportional to 5,139,583,109.44, 7,092,667,205.76 and 2,792,739,653.44 is: 3,854,003,823.34
Step by Step Solution
- Step 1: Write the proportion equation
5,139,583,109.44 : 7,092,667,205.76 = 2,792,739,653.44 : x - Step 2: Convert to fraction form
5,139,583,109.44/7,092,667,205.76 = 2,792,739,653.44/x - Step 3: Cross multiply
5,139,583,109.44x = 7,092,667,205.76 × 2,792,739,653.44 - Step 4: Simplify right side
5,139,583,109.44x = 19,807,972,954,179,436,544 - Step 5: Solve for x
x = 19,807,972,954,179,436,544/5,139,583,109.44 - Step 6: Final answer
x = 3,854,003,823.34
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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.