Finding the Fourth Proportional to 614,193,037.80, 921,289,556.70 and 461,138,029.80
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Solution
The fourth proportional to 614,193,037.80, 921,289,556.70 and 461,138,029.80 is: 691,707,044.70
Step by Step Solution
- Step 1: Write the proportion equation
614,193,037.80 : 921,289,556.70 = 461,138,029.80 : x - Step 2: Convert to fraction form
614,193,037.80/921,289,556.70 = 461,138,029.80/x - Step 3: Cross multiply
614,193,037.80x = 921,289,556.70 × 461,138,029.80 - Step 4: Simplify right side
614,193,037.80x = 424,841,651,051,953,408 - Step 5: Solve for x
x = 424,841,651,051,953,408/614,193,037.80 - Step 6: Final answer
x = 691,707,044.70
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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.