Finding the Fourth Proportional to 1,356,924,729.64, 2,035,504,341.02 and 374,351,268.99
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Solution
The fourth proportional to 1,356,924,729.64, 2,035,504,341.02 and 374,351,268.99 is: 561,559,249.71
Step by Step Solution
- Step 1: Write the proportion equation
1,356,924,729.64 : 2,035,504,341.02 = 374,351,268.99 : x - Step 2: Convert to fraction form
1,356,924,729.64/2,035,504,341.02 = 374,351,268.99/x - Step 3: Cross multiply
1,356,924,729.64x = 2,035,504,341.02 × 374,351,268.99 - Step 4: Simplify right side
1,356,924,729.64x = 761,993,633,095,490,688 - Step 5: Solve for x
x = 761,993,633,095,490,688/1,356,924,729.64 - Step 6: Final answer
x = 561,559,249.71
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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.