Finding the Fourth Proportional to 1,063,452,367.58, 1,595,415,709.68 and 326,596,635.38
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Solution
The fourth proportional to 1,063,452,367.58, 1,595,415,709.68 and 326,596,635.38 is: 489,967,786.71
Step by Step Solution
- Step 1: Write the proportion equation
1,063,452,367.58 : 1,595,415,709.68 = 326,596,635.38 : x - Step 2: Convert to fraction form
1,063,452,367.58/1,595,415,709.68 = 326,596,635.38/x - Step 3: Cross multiply
1,063,452,367.58x = 1,595,415,709.68 × 326,596,635.38 - Step 4: Simplify right side
1,063,452,367.58x = 521,057,402,813,882,880 - Step 5: Solve for x
x = 521,057,402,813,882,880/1,063,452,367.58 - Step 6: Final answer
x = 489,967,786.71
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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.