Finding the Fourth Proportional to 6,315,786,750.48, 8,715,440,420.04 and 3,457,376,000.70
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Solution
The fourth proportional to 6,315,786,750.48, 8,715,440,420.04 and 3,457,376,000.70 is: 4,770,989,859.89
Step by Step Solution
- Step 1: Write the proportion equation
6,315,786,750.48 : 8,715,440,420.04 = 3,457,376,000.70 : x - Step 2: Convert to fraction form
6,315,786,750.48/8,715,440,420.04 = 3,457,376,000.70/x - Step 3: Cross multiply
6,315,786,750.48x = 8,715,440,420.04 × 3,457,376,000.70 - Step 4: Simplify right side
6,315,786,750.48x = 30,132,554,543,777,026,048 - Step 5: Solve for x
x = 30,132,554,543,777,026,048/6,315,786,750.48 - Step 6: Final answer
x = 4,770,989,859.89
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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.