Finding the Fourth Proportional to 5,207,575,329.54, 7,186,448,493.27 and 2,828,715,155.82
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Solution
The fourth proportional to 5,207,575,329.54, 7,186,448,493.27 and 2,828,715,155.82 is: 3,903,623,948.39
Step by Step Solution
- Step 1: Write the proportion equation
5,207,575,329.54 : 7,186,448,493.27 = 2,828,715,155.82 : x - Step 2: Convert to fraction form
5,207,575,329.54/7,186,448,493.27 = 2,828,715,155.82/x - Step 3: Cross multiply
5,207,575,329.54x = 7,186,448,493.27 × 2,828,715,155.82 - Step 4: Simplify right side
5,207,575,329.54x = 20,328,415,769,432,653,824 - Step 5: Solve for x
x = 20,328,415,769,432,653,824/5,207,575,329.54 - Step 6: Final answer
x = 3,903,623,948.39
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1.5x scale
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.