Finding the Fourth Proportional to 513,372,558.81, 770,057,640.70 and 337,221,605.76
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Solution
The fourth proportional to 513,372,558.81, 770,057,640.70 and 337,221,605.76 is: 505,831,622.02
Step by Step Solution
- Step 1: Write the proportion equation
513,372,558.81 : 770,057,640.70 = 337,221,605.76 : x - Step 2: Convert to fraction form
513,372,558.81/770,057,640.70 = 337,221,605.76/x - Step 3: Cross multiply
513,372,558.81x = 770,057,640.70 × 337,221,605.76 - Step 4: Simplify right side
513,372,558.81x = 259,680,074,124,611,136 - Step 5: Solve for x
x = 259,680,074,124,611,136/513,372,558.81 - Step 6: Final answer
x = 505,831,622.02
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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.