Finding the Fourth Proportional to 1,317,364,338.89, 1,975,852,135.26 and 384,436,694.99
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Solution
The fourth proportional to 1,317,364,338.89, 1,975,852,135.26 and 384,436,694.99 is: 576,598,320.02
Step by Step Solution
- Step 1: Write the proportion equation
1,317,364,338.89 : 1,975,852,135.26 = 384,436,694.99 : x - Step 2: Convert to fraction form
1,317,364,338.89/1,975,852,135.26 = 384,436,694.99/x - Step 3: Cross multiply
1,317,364,338.89x = 1,975,852,135.26 × 384,436,694.99 - Step 4: Simplify right side
1,317,364,338.89x = 759,590,064,658,409,600 - Step 5: Solve for x
x = 759,590,064,658,409,600/1,317,364,338.89 - Step 6: Final answer
x = 576,598,320.02
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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.