Finding the Fourth Proportional to 1,771,471,938.40, 2,657,207,907.60 and 1,761,268,271.20
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Solution
The fourth proportional to 1,771,471,938.40, 2,657,207,907.60 and 1,761,268,271.20 is: 2,641,902,406.80
Step by Step Solution
- Step 1: Write the proportion equation
1,771,471,938.40 : 2,657,207,907.60 = 1,761,268,271.20 : x - Step 2: Convert to fraction form
1,771,471,938.40/2,657,207,907.60 = 1,761,268,271.20/x - Step 3: Cross multiply
1,771,471,938.40x = 2,657,207,907.60 × 1,761,268,271.20 - Step 4: Simplify right side
1,771,471,938.40x = 4,680,055,977,637,621,760 - Step 5: Solve for x
x = 4,680,055,977,637,621,760/1,771,471,938.40 - Step 6: Final answer
x = 2,641,902,406.80
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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.