Finding the Fourth Proportional to 541,731,727.48, 747,635,890.80 and 306,824,176.66
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Solution
The fourth proportional to 541,731,727.48, 747,635,890.80 and 306,824,176.66 is: 423,443,477.65
Step by Step Solution
- Step 1: Write the proportion equation
541,731,727.48 : 747,635,890.80 = 306,824,176.66 : x - Step 2: Convert to fraction form
541,731,727.48/747,635,890.80 = 306,824,176.66/x - Step 3: Cross multiply
541,731,727.48x = 747,635,890.80 × 306,824,176.66 - Step 4: Simplify right side
541,731,727.48x = 229,392,766,636,175,680 - Step 5: Solve for x
x = 229,392,766,636,175,680/541,731,727.48 - Step 6: Final answer
x = 423,443,477.65
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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.