Finding the Fourth Proportional to 2,294,847,280.80, 3,442,270,921.20 and 743,252,137.20
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Solution
The fourth proportional to 2,294,847,280.80, 3,442,270,921.20 and 743,252,137.20 is: 1,114,878,205.80
Step by Step Solution
- Step 1: Write the proportion equation
2,294,847,280.80 : 3,442,270,921.20 = 743,252,137.20 : x - Step 2: Convert to fraction form
2,294,847,280.80/3,442,270,921.20 = 743,252,137.20/x - Step 3: Cross multiply
2,294,847,280.80x = 3,442,270,921.20 × 743,252,137.20 - Step 4: Simplify right side
2,294,847,280.80x = 2,558,475,219,003,312,640 - Step 5: Solve for x
x = 2,558,475,219,003,312,640/2,294,847,280.80 - Step 6: Final answer
x = 1,114,878,205.80
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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.