Finding the Fourth Proportional to 539,136,569.20, 808,704,853.80 and 449,557,049.20
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Solution
The fourth proportional to 539,136,569.20, 808,704,853.80 and 449,557,049.20 is: 674,335,573.80
Step by Step Solution
- Step 1: Write the proportion equation
539,136,569.20 : 808,704,853.80 = 449,557,049.20 : x - Step 2: Convert to fraction form
539,136,569.20/808,704,853.80 = 449,557,049.20/x - Step 3: Cross multiply
539,136,569.20x = 808,704,853.80 × 449,557,049.20 - Step 4: Simplify right side
539,136,569.20x = 363,558,967,748,045,376 - Step 5: Solve for x
x = 363,558,967,748,045,376/539,136,569.20 - Step 6: Final answer
x = 674,335,573.80
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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.