Finding the Fourth Proportional to 349,478,506.32, 482,290,588.35 and 190,718,879.94
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Solution
The fourth proportional to 349,478,506.32, 482,290,588.35 and 190,718,879.94 is: 263,197,647.79
Step by Step Solution
- Step 1: Write the proportion equation
349,478,506.32 : 482,290,588.35 = 190,718,879.94 : x - Step 2: Convert to fraction form
349,478,506.32/482,290,588.35 = 190,718,879.94/x - Step 3: Cross multiply
349,478,506.32x = 482,290,588.35 × 190,718,879.94 - Step 4: Simplify right side
349,478,506.32x = 91,981,920,815,715,616 - Step 5: Solve for x
x = 91,981,920,815,715,616/349,478,506.32 - Step 6: Final answer
x = 263,197,647.79
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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.