Finding the Fourth Proportional to 6,959,737,578.24, 9,604,641,808.80 and 3,788,126,919.36
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Solution
The fourth proportional to 6,959,737,578.24, 9,604,641,808.80 and 3,788,126,919.36 is: 5,227,726,157.45
Step by Step Solution
- Step 1: Write the proportion equation
6,959,737,578.24 : 9,604,641,808.80 = 3,788,126,919.36 : x - Step 2: Convert to fraction form
6,959,737,578.24/9,604,641,808.80 = 3,788,126,919.36/x - Step 3: Cross multiply
6,959,737,578.24x = 9,604,641,808.80 × 3,788,126,919.36 - Step 4: Simplify right side
6,959,737,578.24x = 36,383,602,186,725,801,984 - Step 5: Solve for x
x = 36,383,602,186,725,801,984/6,959,737,578.24 - Step 6: Final answer
x = 5,227,726,157.45
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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.