Finding the Fourth Proportional to 9,789,258,831,706.60, 13,509,219,186,669 and 5,339,796,811,586.80
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Solution
The fourth proportional to 9,789,258,831,706.60, 13,509,219,186,669 and 5,339,796,811,586.80 is: 7,368,942,509,350.99
Step by Step Solution
- Step 1: Write the proportion equation
9,789,258,831,706.60 : 13,509,219,186,669 = 5,339,796,811,586.80 : x - Step 2: Convert to fraction form
9,789,258,831,706.60/13,509,219,186,669 = 5,339,796,811,586.80/x - Step 3: Cross multiply
9,789,258,831,706.60x = 13,509,219,186,669 × 5,339,796,811,586.80 - Step 4: Simplify right side
9,789,258,831,706.60x = 72,136,485,540,002,348,270,616,576 - Step 5: Solve for x
x = 72,136,485,540,002,348,270,616,576/9,789,258,831,706.60 - Step 6: Final answer
x = 7,368,942,509,350.99
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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.