Finding the Fourth Proportional to 1,965,804,186.57, 2,948,717,302.62 and 655,702,642.23
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Solution
The fourth proportional to 1,965,804,186.57, 2,948,717,302.62 and 655,702,642.23 is: 983,557,640.03
Step by Step Solution
- Step 1: Write the proportion equation
1,965,804,186.57 : 2,948,717,302.62 = 655,702,642.23 : x - Step 2: Convert to fraction form
1,965,804,186.57/2,948,717,302.62 = 655,702,642.23/x - Step 3: Cross multiply
1,965,804,186.57x = 2,948,717,302.62 × 655,702,642.23 - Step 4: Simplify right side
1,965,804,186.57x = 1,933,481,726,502,508,800 - Step 5: Solve for x
x = 1,933,481,726,502,508,800/1,965,804,186.57 - Step 6: Final answer
x = 983,557,640.03
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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.