Finding the Fourth Proportional to 936,391,238.66, 1,292,219,459.70 and 560,047,819.88
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Solution
The fourth proportional to 936,391,238.66, 1,292,219,459.70 and 560,047,819.88 is: 772,865,722.50
Step by Step Solution
- Step 1: Write the proportion equation
936,391,238.66 : 1,292,219,459.70 = 560,047,819.88 : x - Step 2: Convert to fraction form
936,391,238.66/1,292,219,459.70 = 560,047,819.88/x - Step 3: Cross multiply
936,391,238.66x = 1,292,219,459.70 × 560,047,819.88 - Step 4: Simplify right side
936,391,238.66x = 723,704,691,211,496,576 - Step 5: Solve for x
x = 723,704,691,211,496,576/936,391,238.66 - Step 6: Final answer
x = 772,865,722.50
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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.