Finding the Fourth Proportional to 830,167,385.67, 1,145,633,301.23 and 453,828,520.98
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Solution
The fourth proportional to 830,167,385.67, 1,145,633,301.23 and 453,828,520.98 is: 626,284,621.22
Step by Step Solution
- Step 1: Write the proportion equation
830,167,385.67 : 1,145,633,301.23 = 453,828,520.98 : x - Step 2: Convert to fraction form
830,167,385.67/1,145,633,301.23 = 453,828,520.98/x - Step 3: Cross multiply
830,167,385.67x = 1,145,633,301.23 × 453,828,520.98 - Step 4: Simplify right side
830,167,385.67x = 519,921,066,680,376,576 - Step 5: Solve for x
x = 519,921,066,680,376,576/830,167,385.67 - Step 6: Final answer
x = 626,284,621.22
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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.