Finding the Fourth Proportional to 3,910,343,781.70, 5,872,318,117.35 and 2,073,683,685.70
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Solution
The fourth proportional to 3,910,343,781.70, 5,872,318,117.35 and 2,073,683,685.70 is: 3,114,132,914.39
Step by Step Solution
- Step 1: Write the proportion equation
3,910,343,781.70 : 5,872,318,117.35 = 2,073,683,685.70 : x - Step 2: Convert to fraction form
3,910,343,781.70/5,872,318,117.35 = 2,073,683,685.70/x - Step 3: Cross multiply
3,910,343,781.70x = 5,872,318,117.35 × 2,073,683,685.70 - Step 4: Simplify right side
3,910,343,781.70x = 12,177,330,277,189,234,688 - Step 5: Solve for x
x = 12,177,330,277,189,234,688/3,910,343,781.70 - Step 6: Final answer
x = 3,114,132,914.39
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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.