Finding the Fourth Proportional to 3,026,462,963.13, 4,539,532,945.68 and 815,637,205.58
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Solution
The fourth proportional to 3,026,462,963.13, 4,539,532,945.68 and 815,637,205.58 is: 1,223,412,284.09
Step by Step Solution
- Step 1: Write the proportion equation
3,026,462,963.13 : 4,539,532,945.68 = 815,637,205.58 : x - Step 2: Convert to fraction form
3,026,462,963.13/4,539,532,945.68 = 815,637,205.58/x - Step 3: Cross multiply
3,026,462,963.13x = 4,539,532,945.68 × 815,637,205.58 - Step 4: Simplify right side
3,026,462,963.13x = 3,702,611,966,430,084,096 - Step 5: Solve for x
x = 3,702,611,966,430,084,096/3,026,462,963.13 - Step 6: Final answer
x = 1,223,412,284.09
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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.