Finding the Fourth Proportional to 497,665,715.80, 746,498,573.70 and 487,048,883.80
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Solution
The fourth proportional to 497,665,715.80, 746,498,573.70 and 487,048,883.80 is: 730,573,325.70
Step by Step Solution
- Step 1: Write the proportion equation
497,665,715.80 : 746,498,573.70 = 487,048,883.80 : x - Step 2: Convert to fraction form
497,665,715.80/746,498,573.70 = 487,048,883.80/x - Step 3: Cross multiply
497,665,715.80x = 746,498,573.70 × 487,048,883.80 - Step 4: Simplify right side
497,665,715.80x = 363,581,297,078,877,056 - Step 5: Solve for x
x = 363,581,297,078,877,056/497,665,715.80 - Step 6: Final answer
x = 730,573,325.70
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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.