Finding the Fourth Proportional to 2,783,239,565,476.80, 4,174,859,348,215.20 and 770,929,118,049.70
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Solution
The fourth proportional to 2,783,239,565,476.80, 4,174,859,348,215.20 and 770,929,118,049.70 is: 1,156,393,677,074.55
Step by Step Solution
- Step 1: Write the proportion equation
2,783,239,565,476.80 : 4,174,859,348,215.20 = 770,929,118,049.70 : x - Step 2: Convert to fraction form
2,783,239,565,476.80/4,174,859,348,215.20 = 770,929,118,049.70/x - Step 3: Cross multiply
2,783,239,565,476.80x = 4,174,859,348,215.20 × 770,929,118,049.70 - Step 4: Simplify right side
2,783,239,565,476.80x = 3,218,520,635,301,089,240,940,544 - Step 5: Solve for x
x = 3,218,520,635,301,089,240,940,544/2,783,239,565,476.80 - Step 6: Final answer
x = 1,156,393,677,074.55
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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.