Finding the Fourth Proportional to 2,535,463,246.40, 3,803,194,869.60 and 695,212,971.20
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Solution
The fourth proportional to 2,535,463,246.40, 3,803,194,869.60 and 695,212,971.20 is: 1,042,819,456.80
Step by Step Solution
- Step 1: Write the proportion equation
2,535,463,246.40 : 3,803,194,869.60 = 695,212,971.20 : x - Step 2: Convert to fraction form
2,535,463,246.40/3,803,194,869.60 = 695,212,971.20/x - Step 3: Cross multiply
2,535,463,246.40x = 3,803,194,869.60 × 695,212,971.20 - Step 4: Simplify right side
2,535,463,246.40x = 2,644,030,405,347,212,800 - Step 5: Solve for x
x = 2,644,030,405,347,212,800/2,535,463,246.40 - Step 6: Final answer
x = 1,042,819,456.80
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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.