Finding the Fourth Proportional to 1,365,434,076.80, 1,884,299,028.36 and 738,902,504.46
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Solution
The fourth proportional to 1,365,434,076.80, 1,884,299,028.36 and 738,902,504.46 is: 1,019,685,457.44
Step by Step Solution
- Step 1: Write the proportion equation
1,365,434,076.80 : 1,884,299,028.36 = 738,902,504.46 : x - Step 2: Convert to fraction form
1,365,434,076.80/1,884,299,028.36 = 738,902,504.46/x - Step 3: Cross multiply
1,365,434,076.80x = 1,884,299,028.36 × 738,902,504.46 - Step 4: Simplify right side
1,365,434,076.80x = 1,392,313,271,206,748,672 - Step 5: Solve for x
x = 1,392,313,271,206,748,672/1,365,434,076.80 - Step 6: Final answer
x = 1,019,685,457.44
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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.