Finding the Fourth Proportional to 504,456,245.70, 756,684,368.55 and 140,950,601.70
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Solution
The fourth proportional to 504,456,245.70, 756,684,368.55 and 140,950,601.70 is: 211,425,902.55
Step by Step Solution
- Step 1: Write the proportion equation
504,456,245.70 : 756,684,368.55 = 140,950,601.70 : x - Step 2: Convert to fraction form
504,456,245.70/756,684,368.55 = 140,950,601.70/x - Step 3: Cross multiply
504,456,245.70x = 756,684,368.55 × 140,950,601.70 - Step 4: Simplify right side
504,456,245.70x = 106,655,117,044,107,040 - Step 5: Solve for x
x = 106,655,117,044,107,040/504,456,245.70 - Step 6: Final answer
x = 211,425,902.55
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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.