Finding the Fourth Proportional to 2,255,032,639.41, 3,112,015,810.07 and 1,302,395,680.10
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Solution
The fourth proportional to 2,255,032,639.41, 3,112,015,810.07 and 1,302,395,680.10 is: 1,797,346,910.46
Step by Step Solution
- Step 1: Write the proportion equation
2,255,032,639.41 : 3,112,015,810.07 = 1,302,395,680.10 : x - Step 2: Convert to fraction form
2,255,032,639.41/3,112,015,810.07 = 1,302,395,680.10/x - Step 3: Cross multiply
2,255,032,639.41x = 3,112,015,810.07 × 1,302,395,680.10 - Step 4: Simplify right side
2,255,032,639.41x = 4,053,075,947,431,678,976 - Step 5: Solve for x
x = 4,053,075,947,431,678,976/2,255,032,639.41 - Step 6: Final answer
x = 1,797,346,910.46
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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.