Finding the Fourth Proportional to 1,034,451,916.70, 1,551,677,875.05 and 542,975,279.90
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Solution
The fourth proportional to 1,034,451,916.70, 1,551,677,875.05 and 542,975,279.90 is: 814,462,919.85
Step by Step Solution
- Step 1: Write the proportion equation
1,034,451,916.70 : 1,551,677,875.05 = 542,975,279.90 : x - Step 2: Convert to fraction form
1,034,451,916.70/1,551,677,875.05 = 542,975,279.90/x - Step 3: Cross multiply
1,034,451,916.70x = 1,551,677,875.05 × 542,975,279.90 - Step 4: Simplify right side
1,034,451,916.70x = 842,522,728,519,910,912 - Step 5: Solve for x
x = 842,522,728,519,910,912/1,034,451,916.70 - Step 6: Final answer
x = 814,462,919.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.