Finding the Fourth Proportional to 914,114,804.96, 1,370,988,882.16 and 447,575,216.96
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Solution
The fourth proportional to 914,114,804.96, 1,370,988,882.16 and 447,575,216.96 is: 671,273,064.45
Step by Step Solution
- Step 1: Write the proportion equation
914,114,804.96 : 1,370,988,882.16 = 447,575,216.96 : x - Step 2: Convert to fraction form
914,114,804.96/1,370,988,882.16 = 447,575,216.96/x - Step 3: Cross multiply
914,114,804.96x = 1,370,988,882.16 × 447,575,216.96 - Step 4: Simplify right side
914,114,804.96x = 613,620,646,382,509,824 - Step 5: Solve for x
x = 613,620,646,382,509,824/914,114,804.96 - Step 6: Final answer
x = 671,273,064.45
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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.