Finding the Fourth Proportional to 2,421,542,436.10, 3,341,728,531.21 and 1,307,708,431.82
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Solution
The fourth proportional to 2,421,542,436.10, 3,341,728,531.21 and 1,307,708,431.82 is: 1,804,637,619.38
Step by Step Solution
- Step 1: Write the proportion equation
2,421,542,436.10 : 3,341,728,531.21 = 1,307,708,431.82 : x - Step 2: Convert to fraction form
2,421,542,436.10/3,341,728,531.21 = 1,307,708,431.82/x - Step 3: Cross multiply
2,421,542,436.10x = 3,341,728,531.21 × 1,307,708,431.82 - Step 4: Simplify right side
2,421,542,436.10x = 4,370,006,577,116,781,056 - Step 5: Solve for x
x = 4,370,006,577,116,781,056/2,421,542,436.10 - Step 6: Final answer
x = 1,804,637,619.38
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1.5x scale
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.