Finding the Fourth Proportional to 2,133,032,868.81, 2,943,466,959.80 and 1,193,053,907.37
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Solution
The fourth proportional to 2,133,032,868.81, 2,943,466,959.80 and 1,193,053,907.37 is: 1,646,348,168.82
Step by Step Solution
- Step 1: Write the proportion equation
2,133,032,868.81 : 2,943,466,959.80 = 1,193,053,907.37 : x - Step 2: Convert to fraction form
2,133,032,868.81/2,943,466,959.80 = 1,193,053,907.37/x - Step 3: Cross multiply
2,133,032,868.81x = 2,943,466,959.80 × 1,193,053,907.37 - Step 4: Simplify right side
2,133,032,868.81x = 3,511,714,757,606,866,944 - Step 5: Solve for x
x = 3,511,714,757,606,866,944/2,133,032,868.81 - Step 6: Final answer
x = 1,646,348,168.82
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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.