Finding the Fourth Proportional to 541,731,328.79, 747,635,339.21 and 306,823,777.97
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Solution
The fourth proportional to 541,731,328.79, 747,635,339.21 and 306,823,777.97 is: 423,442,926.64
Step by Step Solution
- Step 1: Write the proportion equation
541,731,328.79 : 747,635,339.21 = 306,823,777.97 : x - Step 2: Convert to fraction form
541,731,328.79/747,635,339.21 = 306,823,777.97/x - Step 3: Cross multiply
541,731,328.79x = 747,635,339.21 × 306,823,777.97 - Step 4: Simplify right side
541,731,328.79x = 229,392,299,315,022,368 - Step 5: Solve for x
x = 229,392,299,315,022,368/541,731,328.79 - Step 6: Final answer
x = 423,442,926.64
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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.