Finding the Fourth Proportional to 1,719,302,573.70, 2,579,459,844.87 and 554,749,218.18
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Solution
The fourth proportional to 1,719,302,573.70, 2,579,459,844.87 and 554,749,218.18 is: 832,287,087.89
Step by Step Solution
- Step 1: Write the proportion equation
1,719,302,573.70 : 2,579,459,844.87 = 554,749,218.18 : x - Step 2: Convert to fraction form
1,719,302,573.70/2,579,459,844.87 = 554,749,218.18/x - Step 3: Cross multiply
1,719,302,573.70x = 2,579,459,844.87 × 554,749,218.18 - Step 4: Simplify right side
1,719,302,573.70x = 1,430,953,332,268,336,384 - Step 5: Solve for x
x = 1,430,953,332,268,336,384/1,719,302,573.70 - Step 6: Final answer
x = 832,287,087.89
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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.