Finding the Fourth Proportional to 1,577,106,604.80, 2,365,659,907.20 and 1,168,959,916.80
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Solution
The fourth proportional to 1,577,106,604.80, 2,365,659,907.20 and 1,168,959,916.80 is: 1,753,439,875.20
Step by Step Solution
- Step 1: Write the proportion equation
1,577,106,604.80 : 2,365,659,907.20 = 1,168,959,916.80 : x - Step 2: Convert to fraction form
1,577,106,604.80/2,365,659,907.20 = 1,168,959,916.80/x - Step 3: Cross multiply
1,577,106,604.80x = 2,365,659,907.20 × 1,168,959,916.80 - Step 4: Simplify right side
1,577,106,604.80x = 2,765,361,608,297,607,168 - Step 5: Solve for x
x = 2,765,361,608,297,607,168/1,577,106,604.80 - Step 6: Final answer
x = 1,753,439,875.20
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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.