Finding the Fourth Proportional to 1,677,393,173.97, 2,314,809,571.85 and 924,689,813.69
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Solution
The fourth proportional to 1,677,393,173.97, 2,314,809,571.85 and 924,689,813.69 is: 1,276,075,797.21
Step by Step Solution
- Step 1: Write the proportion equation
1,677,393,173.97 : 2,314,809,571.85 = 924,689,813.69 : x - Step 2: Convert to fraction form
1,677,393,173.97/2,314,809,571.85 = 924,689,813.69/x - Step 3: Cross multiply
1,677,393,173.97x = 2,314,809,571.85 × 924,689,813.69 - Step 4: Simplify right side
1,677,393,173.97x = 2,140,480,831,705,607,424 - Step 5: Solve for x
x = 2,140,480,831,705,607,424/1,677,393,173.97 - Step 6: Final answer
x = 1,276,075,797.21
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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.