Finding the Fourth Proportional to 440,287,992.74, 660,432,111.84 and 129,395,591.84
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Solution
The fourth proportional to 440,287,992.74, 660,432,111.84 and 129,395,591.84 is: 194,093,423.82
Step by Step Solution
- Step 1: Write the proportion equation
440,287,992.74 : 660,432,111.84 = 129,395,591.84 : x - Step 2: Convert to fraction form
440,287,992.74/660,432,111.84 = 129,395,591.84/x - Step 3: Cross multiply
440,287,992.74x = 660,432,111.84 × 129,395,591.84 - Step 4: Simplify right side
440,287,992.74x = 85,457,003,978,375,712 - Step 5: Solve for x
x = 85,457,003,978,375,712/440,287,992.74 - Step 6: Final answer
x = 194,093,423.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.