Finding the Fourth Proportional to 69,814,354,977.54, 96,344,104,101.57 and 39,330,904,349.70
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Solution
The fourth proportional to 69,814,354,977.54, 96,344,104,101.57 and 39,330,904,349.70 is: 54,276,813,762.66
Step by Step Solution
- Step 1: Write the proportion equation
69,814,354,977.54 : 96,344,104,101.57 = 39,330,904,349.70 : x - Step 2: Convert to fraction form
69,814,354,977.54/96,344,104,101.57 = 39,330,904,349.70/x - Step 3: Cross multiply
69,814,354,977.54x = 96,344,104,101.57 × 39,330,904,349.70 - Step 4: Simplify right side
69,814,354,977.54x = 3,789,300,743,076,389,060,608 - Step 5: Solve for x
x = 3,789,300,743,076,389,060,608/69,814,354,977.54 - Step 6: Final answer
x = 54,276,813,762.66
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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.