Finding the Fourth Proportional to 1,036,724,585.26, 1,556,193,522.36 and 446,805,951.96
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Solution
The fourth proportional to 1,036,724,585.26, 1,556,193,522.36 and 446,805,951.96 is: 670,685,867.85
Step by Step Solution
- Step 1: Write the proportion equation
1,036,724,585.26 : 1,556,193,522.36 = 446,805,951.96 : x - Step 2: Convert to fraction form
1,036,724,585.26/1,556,193,522.36 = 446,805,951.96/x - Step 3: Cross multiply
1,036,724,585.26x = 1,556,193,522.36 × 446,805,951.96 - Step 4: Simplify right side
1,036,724,585.26x = 695,316,528,188,655,872 - Step 5: Solve for x
x = 695,316,528,188,655,872/1,036,724,585.26 - Step 6: Final answer
x = 670,685,867.85
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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.