Finding the Fourth Proportional to 4,212,625,811.40, 6,319,946,486.70 and 2,029,796,857.80
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Solution
The fourth proportional to 4,212,625,811.40, 6,319,946,486.70 and 2,029,796,857.80 is: 3,045,180,866.87
Step by Step Solution
- Step 1: Write the proportion equation
4,212,625,811.40 : 6,319,946,486.70 = 2,029,796,857.80 : x - Step 2: Convert to fraction form
4,212,625,811.40/6,319,946,486.70 = 2,029,796,857.80/x - Step 3: Cross multiply
4,212,625,811.40x = 6,319,946,486.70 × 2,029,796,857.80 - Step 4: Simplify right side
4,212,625,811.40x = 12,828,207,520,167,809,024 - Step 5: Solve for x
x = 12,828,207,520,167,809,024/4,212,625,811.40 - Step 6: Final answer
x = 3,045,180,866.87
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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.