Finding the Fourth Proportional to 334,428,746.40, 501,643,119.60 and 218,202,599.70
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Solution
The fourth proportional to 334,428,746.40, 501,643,119.60 and 218,202,599.70 is: 327,303,899.55
Step by Step Solution
- Step 1: Write the proportion equation
334,428,746.40 : 501,643,119.60 = 218,202,599.70 : x - Step 2: Convert to fraction form
334,428,746.40/501,643,119.60 = 218,202,599.70/x - Step 3: Cross multiply
334,428,746.40x = 501,643,119.60 × 218,202,599.70 - Step 4: Simplify right side
334,428,746.40x = 109,459,832,818,338,016 - Step 5: Solve for x
x = 109,459,832,818,338,016/334,428,746.40 - Step 6: Final answer
x = 327,303,899.55
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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.