Finding the Fourth Proportional to 496,642,378.65, 744,938,803.80 and 185,727,136.53
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Solution
The fourth proportional to 496,642,378.65, 744,938,803.80 and 185,727,136.53 is: 278,581,443.85
Step by Step Solution
- Step 1: Write the proportion equation
496,642,378.65 : 744,938,803.80 = 185,727,136.53 : x - Step 2: Convert to fraction form
496,642,378.65/744,938,803.80 = 185,727,136.53/x - Step 3: Cross multiply
496,642,378.65x = 744,938,803.80 × 185,727,136.53 - Step 4: Simplify right side
496,642,378.65x = 138,355,350,919,857,472 - Step 5: Solve for x
x = 138,355,350,919,857,472/496,642,378.65 - Step 6: Final answer
x = 278,581,443.85
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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.