Finding the Fourth Proportional to 2,688,335,513.20, 4,032,204,671.40 and 2,202,814,514.80
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Solution
The fourth proportional to 2,688,335,513.20, 4,032,204,671.40 and 2,202,814,514.80 is: 3,303,977,101.52
Step by Step Solution
- Step 1: Write the proportion equation
2,688,335,513.20 : 4,032,204,671.40 = 2,202,814,514.80 : x - Step 2: Convert to fraction form
2,688,335,513.20/4,032,204,671.40 = 2,202,814,514.80/x - Step 3: Cross multiply
2,688,335,513.20x = 4,032,204,671.40 × 2,202,814,514.80 - Step 4: Simplify right side
2,688,335,513.20x = 8,882,198,976,804,285,440 - Step 5: Solve for x
x = 8,882,198,976,804,285,440/2,688,335,513.20 - Step 6: Final answer
x = 3,303,977,101.52
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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.