Finding the Fourth Proportional to 1,296,103,062.99, 1,943,367,313.94 and 508,212,765.51
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Solution
The fourth proportional to 1,296,103,062.99, 1,943,367,313.94 and 508,212,765.51 is: 762,010,449.03
Step by Step Solution
- Step 1: Write the proportion equation
1,296,103,062.99 : 1,943,367,313.94 = 508,212,765.51 : x - Step 2: Convert to fraction form
1,296,103,062.99/1,943,367,313.94 = 508,212,765.51/x - Step 3: Cross multiply
1,296,103,062.99x = 1,943,367,313.94 × 508,212,765.51 - Step 4: Simplify right side
1,296,103,062.99x = 987,644,077,019,187,840 - Step 5: Solve for x
x = 987,644,077,019,187,840/1,296,103,062.99 - Step 6: Final answer
x = 762,010,449.03
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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.