Finding the Fourth Proportional to 1,737,849,787.59, 2,398,318,871.18 and 1,078,012,641.99
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Solution
The fourth proportional to 1,737,849,787.59, 2,398,318,871.18 and 1,078,012,641.99 is: 1,487,710,894.87
Step by Step Solution
- Step 1: Write the proportion equation
1,737,849,787.59 : 2,398,318,871.18 = 1,078,012,641.99 : x - Step 2: Convert to fraction form
1,737,849,787.59/2,398,318,871.18 = 1,078,012,641.99/x - Step 3: Cross multiply
1,737,849,787.59x = 2,398,318,871.18 × 1,078,012,641.99 - Step 4: Simplify right side
1,737,849,787.59x = 2,585,418,062,649,836,544 - Step 5: Solve for x
x = 2,585,418,062,649,836,544/1,737,849,787.59 - Step 6: Final answer
x = 1,487,710,894.87
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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.