Finding the Fourth Proportional to 565,521,761.20, 848,282,641.80 and 293,423,969.20
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Solution
The fourth proportional to 565,521,761.20, 848,282,641.80 and 293,423,969.20 is: 440,135,953.80
Step by Step Solution
- Step 1: Write the proportion equation
565,521,761.20 : 848,282,641.80 = 293,423,969.20 : x - Step 2: Convert to fraction form
565,521,761.20/848,282,641.80 = 293,423,969.20/x - Step 3: Cross multiply
565,521,761.20x = 848,282,641.80 × 293,423,969.20 - Step 4: Simplify right side
565,521,761.20x = 248,906,459,760,417,824 - Step 5: Solve for x
x = 248,906,459,760,417,824/565,521,761.20 - Step 6: Final answer
x = 440,135,953.80
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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.