Finding the Fourth Proportional to 1,481,307,275.48, 2,042,226,512.11 and 1,176,790,693.12
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Solution
The fourth proportional to 1,481,307,275.48, 2,042,226,512.11 and 1,176,790,693.12 is: 1,622,400,154.57
Step by Step Solution
- Step 1: Write the proportion equation
1,481,307,275.48 : 2,042,226,512.11 = 1,176,790,693.12 : x - Step 2: Convert to fraction form
1,481,307,275.48/2,042,226,512.11 = 1,176,790,693.12/x - Step 3: Cross multiply
1,481,307,275.48x = 2,042,226,512.11 × 1,176,790,693.12 - Step 4: Simplify right side
1,481,307,275.48x = 2,403,273,152,699,287,040 - Step 5: Solve for x
x = 2,403,273,152,699,287,040/1,481,307,275.48 - Step 6: Final answer
x = 1,622,400,154.57
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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.