Finding the Fourth Proportional to 539,136,540.70, 808,704,811.05 and 449,557,020.70
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Solution
The fourth proportional to 539,136,540.70, 808,704,811.05 and 449,557,020.70 is: 674,335,531.05
Step by Step Solution
- Step 1: Write the proportion equation
539,136,540.70 : 808,704,811.05 = 449,557,020.70 : x - Step 2: Convert to fraction form
539,136,540.70/808,704,811.05 = 449,557,020.70/x - Step 3: Cross multiply
539,136,540.70x = 808,704,811.05 × 449,557,020.70 - Step 4: Simplify right side
539,136,540.70x = 363,558,925,481,394,432 - Step 5: Solve for x
x = 363,558,925,481,394,432/539,136,540.70 - Step 6: Final answer
x = 674,335,531.05
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1.5x scale
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.