Finding the Fourth Proportional to 12,253,076,488.47, 16,908,799,133.99 and 6,827,331,757.95
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Solution
The fourth proportional to 12,253,076,488.47, 16,908,799,133.99 and 6,827,331,757.95 is: 9,421,469,083.69
Step by Step Solution
- Step 1: Write the proportion equation
12,253,076,488.47 : 16,908,799,133.99 = 6,827,331,757.95 : x - Step 2: Convert to fraction form
12,253,076,488.47/16,908,799,133.99 = 6,827,331,757.95/x - Step 3: Cross multiply
12,253,076,488.47x = 16,908,799,133.99 × 6,827,331,757.95 - Step 4: Simplify right side
12,253,076,488.47x = 115,441,981,316,253,253,632 - Step 5: Solve for x
x = 115,441,981,316,253,253,632/12,253,076,488.47 - Step 6: Final answer
x = 9,421,469,083.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.