Finding the Fourth Proportional to 346,328,489.92, 477,927,408.86 and 187,557,323.26
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Solution
The fourth proportional to 346,328,489.92, 477,927,408.86 and 187,557,323.26 is: 258,825,906.99
Step by Step Solution
- Step 1: Write the proportion equation
346,328,489.92 : 477,927,408.86 = 187,557,323.26 : x - Step 2: Convert to fraction form
346,328,489.92/477,927,408.86 = 187,557,323.26/x - Step 3: Cross multiply
346,328,489.92x = 477,927,408.86 × 187,557,323.26 - Step 4: Simplify right side
346,328,489.92x = 89,638,785,518,369,200 - Step 5: Solve for x
x = 89,638,785,518,369,200/346,328,489.92 - Step 6: Final answer
x = 258,825,906.99
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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.