Finding the Fourth Proportional to 1,347,917,645.24, 1,860,090,668.72 and 753,207,016.48
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Solution
The fourth proportional to 1,347,917,645.24, 1,860,090,668.72 and 753,207,016.48 is: 1,039,405,744.05
Step by Step Solution
- Step 1: Write the proportion equation
1,347,917,645.24 : 1,860,090,668.72 = 753,207,016.48 : x - Step 2: Convert to fraction form
1,347,917,645.24/1,860,090,668.72 = 753,207,016.48/x - Step 3: Cross multiply
1,347,917,645.24x = 1,860,090,668.72 × 753,207,016.48 - Step 4: Simplify right side
1,347,917,645.24x = 1,401,033,342,968,879,360 - Step 5: Solve for x
x = 1,401,033,342,968,879,360/1,347,917,645.24 - Step 6: Final answer
x = 1,039,405,744.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.