Finding the Fourth Proportional to 304,693,585.39, 420,605,863.41 and 205,708,408.84
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Solution
The fourth proportional to 304,693,585.39, 420,605,863.41 and 205,708,408.84 is: 283,964,504.21
Step by Step Solution
- Step 1: Write the proportion equation
304,693,585.39 : 420,605,863.41 = 205,708,408.84 : x - Step 2: Convert to fraction form
304,693,585.39/420,605,863.41 = 205,708,408.84/x - Step 3: Cross multiply
304,693,585.39x = 420,605,863.41 × 205,708,408.84 - Step 4: Simplify right side
304,693,585.39x = 86,522,162,910,845,488 - Step 5: Solve for x
x = 86,522,162,910,845,488/304,693,585.39 - Step 6: Final answer
x = 283,964,504.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.