Finding the Fourth Proportional to 2,192,449,330.44, 3,287,360,630.70 and 697,835,235.60
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Solution
The fourth proportional to 2,192,449,330.44, 3,287,360,630.70 and 697,835,235.60 is: 1,046,334,822.14
Step by Step Solution
- Step 1: Write the proportion equation
2,192,449,330.44 : 3,287,360,630.70 = 697,835,235.60 : x - Step 2: Convert to fraction form
2,192,449,330.44/3,287,360,630.70 = 697,835,235.60/x - Step 3: Cross multiply
2,192,449,330.44x = 3,287,360,630.70 × 697,835,235.60 - Step 4: Simplify right side
2,192,449,330.44x = 2,294,036,080,226,699,008 - Step 5: Solve for x
x = 2,294,036,080,226,699,008/2,192,449,330.44 - Step 6: Final answer
x = 1,046,334,822.14
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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.