Finding the Fourth Proportional to 440,287,996.74, 660,432,117.84 and 129,395,595.84
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Solution
The fourth proportional to 440,287,996.74, 660,432,117.84 and 129,395,595.84 is: 194,093,429.83
Step by Step Solution
- Step 1: Write the proportion equation
440,287,996.74 : 660,432,117.84 = 129,395,595.84 : x - Step 2: Convert to fraction form
440,287,996.74/660,432,117.84 = 129,395,595.84/x - Step 3: Cross multiply
440,287,996.74x = 660,432,117.84 × 129,395,595.84 - Step 4: Simplify right side
440,287,996.74x = 85,457,007,399,779,904 - Step 5: Solve for x
x = 85,457,007,399,779,904/440,287,996.74 - Step 6: Final answer
x = 194,093,429.83
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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.