Finding the Fourth Proportional to 5,450,016,191.42, 7,521,025,370.64 and 2,943,889,927.94
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Solution
The fourth proportional to 5,450,016,191.42, 7,521,025,370.64 and 2,943,889,927.94 is: 4,062,569,735.35
Step by Step Solution
- Step 1: Write the proportion equation
5,450,016,191.42 : 7,521,025,370.64 = 2,943,889,927.94 : x - Step 2: Convert to fraction form
5,450,016,191.42/7,521,025,370.64 = 2,943,889,927.94/x - Step 3: Cross multiply
5,450,016,191.42x = 7,521,025,370.64 × 2,943,889,927.94 - Step 4: Simplify right side
5,450,016,191.42x = 22,141,070,836,408,303,616 - Step 5: Solve for x
x = 22,141,070,836,408,303,616/5,450,016,191.42 - Step 6: Final answer
x = 4,062,569,735.35
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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.