Finding the Fourth Proportional to 7,250,371,843,450.40, 10,005,462,244,752 and 3,958,119,672,912.80
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Solution
The fourth proportional to 7,250,371,843,450.40, 10,005,462,244,752 and 3,958,119,672,912.80 is: 5,462,177,361,746.52
Step by Step Solution
- Step 1: Write the proportion equation
7,250,371,843,450.40 : 10,005,462,244,752 = 3,958,119,672,912.80 : x - Step 2: Convert to fraction form
7,250,371,843,450.40/10,005,462,244,752 = 3,958,119,672,912.80/x - Step 3: Cross multiply
7,250,371,843,450.40x = 10,005,462,244,752 × 3,958,119,672,912.80 - Step 4: Simplify right side
7,250,371,843,450.40x = 39,602,816,947,539,155,225,673,728 - Step 5: Solve for x
x = 39,602,816,947,539,155,225,673,728/7,250,371,843,450.40 - Step 6: Final answer
x = 5,462,177,361,746.52
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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.