Finding the Fourth Proportional to 2,126,185,482.29, 3,189,187,361.78 and 727,294,841.66
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Solution
The fourth proportional to 2,126,185,482.29, 3,189,187,361.78 and 727,294,841.66 is: 1,090,911,181.85
Step by Step Solution
- Step 1: Write the proportion equation
2,126,185,482.29 : 3,189,187,361.78 = 727,294,841.66 : x - Step 2: Convert to fraction form
2,126,185,482.29/3,189,187,361.78 = 727,294,841.66/x - Step 3: Cross multiply
2,126,185,482.29x = 3,189,187,361.78 × 727,294,841.66 - Step 4: Simplify right side
2,126,185,482.29x = 2,319,479,517,316,885,504 - Step 5: Solve for x
x = 2,319,479,517,316,885,504/2,126,185,482.29 - Step 6: Final answer
x = 1,090,911,181.85
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1.5x scale
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.