Finding the Fourth Proportional to 9,116,387,893.79, 13,679,256,559.34 and 4,398,733,167.99
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Solution
The fourth proportional to 9,116,387,893.79, 13,679,256,559.34 and 4,398,733,167.99 is: 6,600,355,342.71
Step by Step Solution
- Step 1: Write the proportion equation
9,116,387,893.79 : 13,679,256,559.34 = 4,398,733,167.99 : x - Step 2: Convert to fraction form
9,116,387,893.79/13,679,256,559.34 = 4,398,733,167.99/x - Step 3: Cross multiply
9,116,387,893.79x = 13,679,256,559.34 × 4,398,733,167.99 - Step 4: Simplify right side
9,116,387,893.79x = 60,171,399,540,991,623,168 - Step 5: Solve for x
x = 60,171,399,540,991,623,168/9,116,387,893.79 - Step 6: Final answer
x = 6,600,355,342.71
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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.