Finding the Fourth Proportional to 1,352,067,092,409.70, 1,865,897,334,574.50 and 743,099,989,513.08
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Solution
The fourth proportional to 1,352,067,092,409.70, 1,865,897,334,574.50 and 743,099,989,513.08 is: 1,025,502,578,635.83
Step by Step Solution
- Step 1: Write the proportion equation
1,352,067,092,409.70 : 1,865,897,334,574.50 = 743,099,989,513.08 : x - Step 2: Convert to fraction form
1,352,067,092,409.70/1,865,897,334,574.50 = 743,099,989,513.08/x - Step 3: Cross multiply
1,352,067,092,409.70x = 1,865,897,334,574.50 × 743,099,989,513.08 - Step 4: Simplify right side
1,352,067,092,409.70x = 1,386,548,289,754,794,794,418,176 - Step 5: Solve for x
x = 1,386,548,289,754,794,794,418,176/1,352,067,092,409.70 - Step 6: Final answer
x = 1,025,502,578,635.83
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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.