Finding the Fourth Proportional to 7,243,344,916.40, 10,865,017,374.60 and 2,073,486,868.40
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Solution
The fourth proportional to 7,243,344,916.40, 10,865,017,374.60 and 2,073,486,868.40 is: 3,110,230,302.60
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,916.40 : 10,865,017,374.60 = 2,073,486,868.40 : x - Step 2: Convert to fraction form
7,243,344,916.40/10,865,017,374.60 = 2,073,486,868.40/x - Step 3: Cross multiply
7,243,344,916.40x = 10,865,017,374.60 × 2,073,486,868.40 - Step 4: Simplify right side
7,243,344,916.40x = 22,528,470,851,170,947,072 - Step 5: Solve for x
x = 22,528,470,851,170,947,072/7,243,344,916.40 - Step 6: Final answer
x = 3,110,230,302.60
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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.