Finding the Fourth Proportional to 4,188,994,341.40, 6,283,491,512.10 and 1,857,456,386.20
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Solution
The fourth proportional to 4,188,994,341.40, 6,283,491,512.10 and 1,857,456,386.20 is: 2,786,184,579.30
Step by Step Solution
- Step 1: Write the proportion equation
4,188,994,341.40 : 6,283,491,512.10 = 1,857,456,386.20 : x - Step 2: Convert to fraction form
4,188,994,341.40/6,283,491,512.10 = 1,857,456,386.20/x - Step 3: Cross multiply
4,188,994,341.40x = 6,283,491,512.10 × 1,857,456,386.20 - Step 4: Simplify right side
4,188,994,341.40x = 11,671,311,436,783,640,576 - Step 5: Solve for x
x = 11,671,311,436,783,640,576/4,188,994,341.40 - Step 6: Final answer
x = 2,786,184,579.30
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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.