Finding the Fourth Proportional to 2,021,994,130.40, 3,032,991,195.60 and 1,792,411,618.40
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Solution
The fourth proportional to 2,021,994,130.40, 3,032,991,195.60 and 1,792,411,618.40 is: 2,688,617,427.60
Step by Step Solution
- Step 1: Write the proportion equation
2,021,994,130.40 : 3,032,991,195.60 = 1,792,411,618.40 : x - Step 2: Convert to fraction form
2,021,994,130.40/3,032,991,195.60 = 1,792,411,618.40/x - Step 3: Cross multiply
2,021,994,130.40x = 3,032,991,195.60 × 1,792,411,618.40 - Step 4: Simplify right side
2,021,994,130.40x = 5,436,368,657,498,347,520 - Step 5: Solve for x
x = 5,436,368,657,498,347,520/2,021,994,130.40 - Step 6: Final answer
x = 2,688,617,427.60
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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.