Finding the Fourth Proportional to 1,322,476,582.92, 1,983,718,953.60 and 326,497,726.80
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Solution
The fourth proportional to 1,322,476,582.92, 1,983,718,953.60 and 326,497,726.80 is: 489,747,597.29
Step by Step Solution
- Step 1: Write the proportion equation
1,322,476,582.92 : 1,983,718,953.60 = 326,497,726.80 : x - Step 2: Convert to fraction form
1,322,476,582.92/1,983,718,953.60 = 326,497,726.80/x - Step 3: Cross multiply
1,322,476,582.92x = 1,983,718,953.60 × 326,497,726.80 - Step 4: Simplify right side
1,322,476,582.92x = 647,679,728,960,474,624 - Step 5: Solve for x
x = 647,679,728,960,474,624/1,322,476,582.92 - Step 6: Final answer
x = 489,747,597.29
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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.