Finding the Fourth Proportional to 351,960,689.97, 485,702,607.15 and 193,186,110.75
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Solution
The fourth proportional to 351,960,689.97, 485,702,607.15 and 193,186,110.75 is: 266,595,106.58
Step by Step Solution
- Step 1: Write the proportion equation
351,960,689.97 : 485,702,607.15 = 193,186,110.75 : x - Step 2: Convert to fraction form
351,960,689.97/485,702,607.15 = 193,186,110.75/x - Step 3: Cross multiply
351,960,689.97x = 485,702,607.15 × 193,186,110.75 - Step 4: Simplify right side
351,960,689.97x = 93,830,997,654,622,256 - Step 5: Solve for x
x = 93,830,997,654,622,256/351,960,689.97 - Step 6: Final answer
x = 266,595,106.58
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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.