Finding the Fourth Proportional to 674,073,158.91, 930,249,687.69 and 376,715,392.44
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Solution
The fourth proportional to 674,073,158.91, 930,249,687.69 and 376,715,392.44 is: 519,883,296.84
Step by Step Solution
- Step 1: Write the proportion equation
674,073,158.91 : 930,249,687.69 = 376,715,392.44 : x - Step 2: Convert to fraction form
674,073,158.91/930,249,687.69 = 376,715,392.44/x - Step 3: Cross multiply
674,073,158.91x = 930,249,687.69 × 376,715,392.44 - Step 4: Simplify right side
674,073,158.91x = 350,439,376,165,325,824 - Step 5: Solve for x
x = 350,439,376,165,325,824/674,073,158.91 - Step 6: Final answer
x = 519,883,296.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.