Finding the Fourth Proportional to 1,558,361,877.96, 2,150,541,465 and 843,898,662.84
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Solution
The fourth proportional to 1,558,361,877.96, 2,150,541,465 and 843,898,662.84 is: 1,164,581,277.53
Step by Step Solution
- Step 1: Write the proportion equation
1,558,361,877.96 : 2,150,541,465 = 843,898,662.84 : x - Step 2: Convert to fraction form
1,558,361,877.96/2,150,541,465 = 843,898,662.84/x - Step 3: Cross multiply
1,558,361,877.96x = 2,150,541,465 × 843,898,662.84 - Step 4: Simplify right side
1,558,361,877.96x = 1,814,839,066,695,474,688 - Step 5: Solve for x
x = 1,814,839,066,695,474,688/1,558,361,877.96 - Step 6: Final answer
x = 1,164,581,277.53
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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.