Finding the Fourth Proportional to 319,764,603.80, 479,646,905.70 and 183,715,707.80
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Solution
The fourth proportional to 319,764,603.80, 479,646,905.70 and 183,715,707.80 is: 275,573,561.70
Step by Step Solution
- Step 1: Write the proportion equation
319,764,603.80 : 479,646,905.70 = 183,715,707.80 : x - Step 2: Convert to fraction form
319,764,603.80/479,646,905.70 = 183,715,707.80/x - Step 3: Cross multiply
319,764,603.80x = 479,646,905.70 × 183,715,707.80 - Step 4: Simplify right side
319,764,603.80x = 88,118,670,774,755,360 - Step 5: Solve for x
x = 88,118,670,774,755,360/319,764,603.80 - Step 6: Final answer
x = 275,573,561.70
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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.