Finding the Fourth Proportional to 8,346,101,135.52, 11,517,878,759.76 and 4,586,843,390.88
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Solution
The fourth proportional to 8,346,101,135.52, 11,517,878,759.76 and 4,586,843,390.88 is: 6,329,986,326.35
Step by Step Solution
- Step 1: Write the proportion equation
8,346,101,135.52 : 11,517,878,759.76 = 4,586,843,390.88 : x - Step 2: Convert to fraction form
8,346,101,135.52/11,517,878,759.76 = 4,586,843,390.88/x - Step 3: Cross multiply
8,346,101,135.52x = 11,517,878,759.76 × 4,586,843,390.88 - Step 4: Simplify right side
8,346,101,135.52x = 52,830,706,066,162,286,592 - Step 5: Solve for x
x = 52,830,706,066,162,286,592/8,346,101,135.52 - Step 6: Final answer
x = 6,329,986,326.35
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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.