Finding the Fourth Proportional to 790,278,239.82, 1,184,957,865.90 and 299,029,458.36
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Solution
The fourth proportional to 790,278,239.82, 1,184,957,865.90 and 299,029,458.36 is: 448,370,321.95
Step by Step Solution
- Step 1: Write the proportion equation
790,278,239.82 : 1,184,957,865.90 = 299,029,458.36 : x - Step 2: Convert to fraction form
790,278,239.82/1,184,957,865.90 = 299,029,458.36/x - Step 3: Cross multiply
790,278,239.82x = 1,184,957,865.90 × 299,029,458.36 - Step 4: Simplify right side
790,278,239.82x = 354,337,308,819,498,560 - Step 5: Solve for x
x = 354,337,308,819,498,560/790,278,239.82 - Step 6: Final answer
x = 448,370,321.95
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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.