Finding the Fourth Proportional to 1,755,922,928.37, 2,633,628,009.13 and 512,019,132.99
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Solution
The fourth proportional to 1,755,922,928.37, 2,633,628,009.13 and 512,019,132.99 is: 767,953,939.25
Step by Step Solution
- Step 1: Write the proportion equation
1,755,922,928.37 : 2,633,628,009.13 = 512,019,132.99 : x - Step 2: Convert to fraction form
1,755,922,928.37/2,633,628,009.13 = 512,019,132.99/x - Step 3: Cross multiply
1,755,922,928.37x = 2,633,628,009.13 × 512,019,132.99 - Step 4: Simplify right side
1,755,922,928.37x = 1,348,467,929,852,922,368 - Step 5: Solve for x
x = 1,348,467,929,852,922,368/1,755,922,928.37 - Step 6: Final answer
x = 767,953,939.25
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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.