Finding the Fourth Proportional to 439,195,424.16, 658,797,860.88 and 132,490,195.68
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Solution
The fourth proportional to 439,195,424.16, 658,797,860.88 and 132,490,195.68 is: 198,736,718.78
Step by Step Solution
- Step 1: Write the proportion equation
439,195,424.16 : 658,797,860.88 = 132,490,195.68 : x - Step 2: Convert to fraction form
439,195,424.16/658,797,860.88 = 132,490,195.68/x - Step 3: Cross multiply
439,195,424.16x = 658,797,860.88 × 132,490,195.68 - Step 4: Simplify right side
439,195,424.16x = 87,284,257,501,556,624 - Step 5: Solve for x
x = 87,284,257,501,556,624/439,195,424.16 - Step 6: Final answer
x = 198,736,718.78
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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.