Finding the Fourth Proportional to 1,737,849,788.59, 2,398,318,872.56 and 1,078,012,642.99
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Solution
The fourth proportional to 1,737,849,788.59, 2,398,318,872.56 and 1,078,012,642.99 is: 1,487,710,896.26
Step by Step Solution
- Step 1: Write the proportion equation
1,737,849,788.59 : 2,398,318,872.56 = 1,078,012,642.99 : x - Step 2: Convert to fraction form
1,737,849,788.59/2,398,318,872.56 = 1,078,012,642.99/x - Step 3: Cross multiply
1,737,849,788.59x = 2,398,318,872.56 × 1,078,012,642.99 - Step 4: Simplify right side
1,737,849,788.59x = 2,585,418,066,541,202,432 - Step 5: Solve for x
x = 2,585,418,066,541,202,432/1,737,849,788.59 - Step 6: Final answer
x = 1,487,710,896.26
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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.