Finding the Fourth Proportional to 543,763,725,117.70, 815,506,464,372.55 and 161,218,347,894.08
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Solution
The fourth proportional to 543,763,725,117.70, 815,506,464,372.55 and 161,218,347,894.08 is: 241,786,273,725.09
Step by Step Solution
- Step 1: Write the proportion equation
543,763,725,117.70 : 815,506,464,372.55 = 161,218,347,894.08 : x - Step 2: Convert to fraction form
543,763,725,117.70/815,506,464,372.55 = 161,218,347,894.08/x - Step 3: Cross multiply
543,763,725,117.70x = 815,506,464,372.55 × 161,218,347,894.08 - Step 4: Simplify right side
543,763,725,117.70x = 131,474,604,883,084,914,458,624 - Step 5: Solve for x
x = 131,474,604,883,084,914,458,624/543,763,725,117.70 - Step 6: Final answer
x = 241,786,273,725.09
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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.