Finding the Fourth Proportional to 22,247,571,685.97, 30,704,280,943.97 and 13,215,365,477.08
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Solution
The fourth proportional to 22,247,571,685.97, 30,704,280,943.97 and 13,215,365,477.08 is: 18,238,767,813.09
Step by Step Solution
- Step 1: Write the proportion equation
22,247,571,685.97 : 30,704,280,943.97 = 13,215,365,477.08 : x - Step 2: Convert to fraction form
22,247,571,685.97/30,704,280,943.97 = 13,215,365,477.08/x - Step 3: Cross multiply
22,247,571,685.97x = 30,704,280,943.97 × 13,215,365,477.08 - Step 4: Simplify right side
22,247,571,685.97x = 405,768,294,385,440,784,384 - Step 5: Solve for x
x = 405,768,294,385,440,784,384/22,247,571,685.97 - Step 6: Final answer
x = 18,238,767,813.09
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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.