Finding the Fourth Proportional to 1,347,917,646.24, 1,860,090,670.10 and 753,207,017.48
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Solution
The fourth proportional to 1,347,917,646.24, 1,860,090,670.10 and 753,207,017.48 is: 1,039,405,745.43
Step by Step Solution
- Step 1: Write the proportion equation
1,347,917,646.24 : 1,860,090,670.10 = 753,207,017.48 : x - Step 2: Convert to fraction form
1,347,917,646.24/1,860,090,670.10 = 753,207,017.48/x - Step 3: Cross multiply
1,347,917,646.24x = 1,860,090,670.10 × 753,207,017.48 - Step 4: Simplify right side
1,347,917,646.24x = 1,401,033,345,868,395,520 - Step 5: Solve for x
x = 1,401,033,345,868,395,520/1,347,917,646.24 - Step 6: Final answer
x = 1,039,405,745.43
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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.