Finding the Fourth Proportional to 1,777,369,380.64, 2,454,418,472.97 and 1,330,557,035.65
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Solution
The fourth proportional to 1,777,369,380.64, 2,454,418,472.97 and 1,330,557,035.65 is: 1,837,402,963.73
Step by Step Solution
- Step 1: Write the proportion equation
1,777,369,380.64 : 2,454,418,472.97 = 1,330,557,035.65 : x - Step 2: Convert to fraction form
1,777,369,380.64/2,454,418,472.97 = 1,330,557,035.65/x - Step 3: Cross multiply
1,777,369,380.64x = 2,454,418,472.97 × 1,330,557,035.65 - Step 4: Simplify right side
1,777,369,380.64x = 3,265,743,767,639,562,752 - Step 5: Solve for x
x = 3,265,743,767,639,562,752/1,777,369,380.64 - Step 6: Final answer
x = 1,837,402,963.73
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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.