Finding the Fourth Proportional to 383,895,285.48, 576,076,767.12 and 138,231,373.68
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Solution
The fourth proportional to 383,895,285.48, 576,076,767.12 and 138,231,373.68 is: 207,431,260.23
Step by Step Solution
- Step 1: Write the proportion equation
383,895,285.48 : 576,076,767.12 = 138,231,373.68 : x - Step 2: Convert to fraction form
383,895,285.48/576,076,767.12 = 138,231,373.68/x - Step 3: Cross multiply
383,895,285.48x = 576,076,767.12 × 138,231,373.68 - Step 4: Simplify right side
383,895,285.48x = 79,631,882,864,131,056 - Step 5: Solve for x
x = 79,631,882,864,131,056/383,895,285.48 - Step 6: Final answer
x = 207,431,260.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.