Finding the Fourth Proportional to 479,531,103.13, 661,752,914.30 and 259,514,529.13
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Solution
The fourth proportional to 479,531,103.13, 661,752,914.30 and 259,514,529.13 is: 358,130,045.86
Step by Step Solution
- Step 1: Write the proportion equation
479,531,103.13 : 661,752,914.30 = 259,514,529.13 : x - Step 2: Convert to fraction form
479,531,103.13/661,752,914.30 = 259,514,529.13/x - Step 3: Cross multiply
479,531,103.13x = 661,752,914.30 × 259,514,529.13 - Step 4: Simplify right side
479,531,103.13x = 171,734,495,954,969,728 - Step 5: Solve for x
x = 171,734,495,954,969,728/479,531,103.13 - Step 6: Final answer
x = 358,130,045.86
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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.