Finding the Fourth Proportional to 356,291,603.60, 491,694,516.36 and 339,965,736.08
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Solution
The fourth proportional to 356,291,603.60, 491,694,516.36 and 339,965,736.08 is: 469,164,264.59
Step by Step Solution
- Step 1: Write the proportion equation
356,291,603.60 : 491,694,516.36 = 339,965,736.08 : x - Step 2: Convert to fraction form
356,291,603.60/491,694,516.36 = 339,965,736.08/x - Step 3: Cross multiply
356,291,603.60x = 491,694,516.36 × 339,965,736.08 - Step 4: Simplify right side
356,291,603.60x = 167,159,288,180,827,008 - Step 5: Solve for x
x = 167,159,288,180,827,008/356,291,603.60 - Step 6: Final answer
x = 469,164,264.59
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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.