Finding the Fourth Proportional to 3,148,840,773.48, 4,723,278,816.10 and 1,050,311,421.80
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Solution
The fourth proportional to 3,148,840,773.48, 4,723,278,816.10 and 1,050,311,421.80 is: 1,575,473,021.91
Step by Step Solution
- Step 1: Write the proportion equation
3,148,840,773.48 : 4,723,278,816.10 = 1,050,311,421.80 : x - Step 2: Convert to fraction form
3,148,840,773.48/4,723,278,816.10 = 1,050,311,421.80/x - Step 3: Cross multiply
3,148,840,773.48x = 4,723,278,816.10 × 1,050,311,421.80 - Step 4: Simplify right side
3,148,840,773.48x = 4,960,913,688,890,560,512 - Step 5: Solve for x
x = 4,960,913,688,890,560,512/3,148,840,773.48 - Step 6: Final answer
x = 1,575,473,021.91
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1.5x scale
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.