Finding the Fourth Proportional to 1,329,891,040.14, 1,835,252,124.75 and 743,180,176.14
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Solution
The fourth proportional to 1,329,891,040.14, 1,835,252,124.75 and 743,180,176.14 is: 1,025,590,034.20
Step by Step Solution
- Step 1: Write the proportion equation
1,329,891,040.14 : 1,835,252,124.75 = 743,180,176.14 : x - Step 2: Convert to fraction form
1,329,891,040.14/1,835,252,124.75 = 743,180,176.14/x - Step 3: Cross multiply
1,329,891,040.14x = 1,835,252,124.75 × 743,180,176.14 - Step 4: Simplify right side
1,329,891,040.14x = 1,363,922,997,333,014,272 - Step 5: Solve for x
x = 1,363,922,997,333,014,272/1,329,891,040.14 - Step 6: Final answer
x = 1,025,590,034.20
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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.