Finding the Fourth Proportional to 4,212,916,356.31, 6,319,669,407.84 and 1,691,844,203.36
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Solution
The fourth proportional to 4,212,916,356.31, 6,319,669,407.84 and 1,691,844,203.36 is: 2,537,884,721.78
Step by Step Solution
- Step 1: Write the proportion equation
4,212,916,356.31 : 6,319,669,407.84 = 1,691,844,203.36 : x - Step 2: Convert to fraction form
4,212,916,356.31/6,319,669,407.84 = 1,691,844,203.36/x - Step 3: Cross multiply
4,212,916,356.31x = 6,319,669,407.84 × 1,691,844,203.36 - Step 4: Simplify right side
4,212,916,356.31x = 10,691,896,054,821,427,200 - Step 5: Solve for x
x = 10,691,896,054,821,427,200/4,212,916,356.31 - Step 6: Final answer
x = 2,537,884,721.78
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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.