Finding the Fourth Proportional to 3,561,858,675, 5,343,154,116.18 and 1,232,791,854.84
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Solution
The fourth proportional to 3,561,858,675, 5,343,154,116.18 and 1,232,791,854.84 is: 1,849,314,494.09
Step by Step Solution
- Step 1: Write the proportion equation
3,561,858,675 : 5,343,154,116.18 = 1,232,791,854.84 : x - Step 2: Convert to fraction form
3,561,858,675/5,343,154,116.18 = 1,232,791,854.84/x - Step 3: Cross multiply
3,561,858,675x = 5,343,154,116.18 × 1,232,791,854.84 - Step 4: Simplify right side
3,561,858,675x = 6,586,996,873,581,522,944 - Step 5: Solve for x
x = 6,586,996,873,581,522,944/3,561,858,675 - Step 6: Final answer
x = 1,849,314,494.09
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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.