Finding the Fourth Proportional to 195,688,476,650.65, 270,045,865,092.21 and 113,292,710,883.13
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Solution
The fourth proportional to 195,688,476,650.65, 270,045,865,092.21 and 113,292,710,883.13 is: 156,341,490,529.84
Step by Step Solution
- Step 1: Write the proportion equation
195,688,476,650.65 : 270,045,865,092.21 = 113,292,710,883.13 : x - Step 2: Convert to fraction form
195,688,476,650.65/270,045,865,092.21 = 113,292,710,883.13/x - Step 3: Cross multiply
195,688,476,650.65x = 270,045,865,092.21 × 113,292,710,883.13 - Step 4: Simplify right side
195,688,476,650.65x = 30,594,228,119,076,473,929,728 - Step 5: Solve for x
x = 30,594,228,119,076,473,929,728/195,688,476,650.65 - Step 6: Final answer
x = 156,341,490,529.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.