Finding the Fourth Proportional to 28,558,940,432.94, 42,838,593,198.03 and 8,390,283,783.99
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Solution
The fourth proportional to 28,558,940,432.94, 42,838,593,198.03 and 8,390,283,783.99 is: 12,585,479,306.64
Step by Step Solution
- Step 1: Write the proportion equation
28,558,940,432.94 : 42,838,593,198.03 = 8,390,283,783.99 : x - Step 2: Convert to fraction form
28,558,940,432.94/42,838,593,198.03 = 8,390,283,783.99/x - Step 3: Cross multiply
28,558,940,432.94x = 42,838,593,198.03 × 8,390,283,783.99 - Step 4: Simplify right side
28,558,940,432.94x = 359,427,953,838,212,644,864 - Step 5: Solve for x
x = 359,427,953,838,212,644,864/28,558,940,432.94 - Step 6: Final answer
x = 12,585,479,306.64
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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.