Finding the Fourth Proportional to 1,643,218,312.44, 2,267,884,653.30 and 1,040,444,961.30
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Solution
The fourth proportional to 1,643,218,312.44, 2,267,884,653.30 and 1,040,444,961.30 is: 1,435,968,150.11
Step by Step Solution
- Step 1: Write the proportion equation
1,643,218,312.44 : 2,267,884,653.30 = 1,040,444,961.30 : x - Step 2: Convert to fraction form
1,643,218,312.44/2,267,884,653.30 = 1,040,444,961.30/x - Step 3: Cross multiply
1,643,218,312.44x = 2,267,884,653.30 × 1,040,444,961.30 - Step 4: Simplify right side
1,643,218,312.44x = 2,359,609,160,335,582,720 - Step 5: Solve for x
x = 2,359,609,160,335,582,720/1,643,218,312.44 - Step 6: Final answer
x = 1,435,968,150.11
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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.