Finding the Fourth Proportional to 247,537,331,513.70, 371,305,997,270.55 and 247,537,331,513.70
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Solution
The fourth proportional to 247,537,331,513.70, 371,305,997,270.55 and 247,537,331,513.70 is: 371,305,997,270.55
Step by Step Solution
- Step 1: Write the proportion equation
247,537,331,513.70 : 371,305,997,270.55 = 247,537,331,513.70 : x - Step 2: Convert to fraction form
247,537,331,513.70/371,305,997,270.55 = 247,537,331,513.70/x - Step 3: Cross multiply
247,537,331,513.70x = 371,305,997,270.55 × 247,537,331,513.70 - Step 4: Simplify right side
247,537,331,513.70x = 91,912,095,739,385,116,360,704 - Step 5: Solve for x
x = 91,912,095,739,385,116,360,704/247,537,331,513.70 - Step 6: Final answer
x = 371,305,997,270.55
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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.