Finding the Fourth Proportional to 1,021,457,585.88, 1,526,589,672.08 and 745,689,504.87
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Solution
The fourth proportional to 1,021,457,585.88, 1,526,589,672.08 and 745,689,504.87 is: 1,114,448,521.84
Step by Step Solution
- Step 1: Write the proportion equation
1,021,457,585.88 : 1,526,589,672.08 = 745,689,504.87 : x - Step 2: Convert to fraction form
1,021,457,585.88/1,526,589,672.08 = 745,689,504.87/x - Step 3: Cross multiply
1,021,457,585.88x = 1,526,589,672.08 × 745,689,504.87 - Step 4: Simplify right side
1,021,457,585.88x = 1,138,361,896,709,262,464 - Step 5: Solve for x
x = 1,138,361,896,709,262,464/1,021,457,585.88 - Step 6: Final answer
x = 1,114,448,521.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.