Finding the Fourth Proportional to 4,346,207,846.40, 6,520,162,075.20 and 1,859,063,966.40
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Solution
The fourth proportional to 4,346,207,846.40, 6,520,162,075.20 and 1,859,063,966.40 is: 2,788,959,662.65
Step by Step Solution
- Step 1: Write the proportion equation
4,346,207,846.40 : 6,520,162,075.20 = 1,859,063,966.40 : x - Step 2: Convert to fraction form
4,346,207,846.40/6,520,162,075.20 = 1,859,063,966.40/x - Step 3: Cross multiply
4,346,207,846.40x = 6,520,162,075.20 × 1,859,063,966.40 - Step 4: Simplify right side
4,346,207,846.40x = 12,121,398,369,092,167,680 - Step 5: Solve for x
x = 12,121,398,369,092,167,680/4,346,207,846.40 - Step 6: Final answer
x = 2,788,959,662.65
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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.