Finding the Fourth Proportional to 2,294,347,124.80, 3,441,520,687.20 and 742,751,981.20
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Solution
The fourth proportional to 2,294,347,124.80, 3,441,520,687.20 and 742,751,981.20 is: 1,114,127,971.80
Step by Step Solution
- Step 1: Write the proportion equation
2,294,347,124.80 : 3,441,520,687.20 = 742,751,981.20 : x - Step 2: Convert to fraction form
2,294,347,124.80/3,441,520,687.20 = 742,751,981.20/x - Step 3: Cross multiply
2,294,347,124.80x = 3,441,520,687.20 × 742,751,981.20 - Step 4: Simplify right side
2,294,347,124.80x = 2,556,196,308,758,585,344 - Step 5: Solve for x
x = 2,556,196,308,758,585,344/2,294,347,124.80 - Step 6: Final answer
x = 1,114,127,971.80
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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.