Finding the Fourth Proportional to 325,175,491.95, 448,730,162.82 and 176,493,420.79
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Solution
The fourth proportional to 325,175,491.95, 448,730,162.82 and 176,493,420.79 is: 243,554,398.80
Step by Step Solution
- Step 1: Write the proportion equation
325,175,491.95 : 448,730,162.82 = 176,493,420.79 : x - Step 2: Convert to fraction form
325,175,491.95/448,730,162.82 = 176,493,420.79/x - Step 3: Cross multiply
325,175,491.95x = 448,730,162.82 × 176,493,420.79 - Step 4: Simplify right side
325,175,491.95x = 79,197,921,448,522,704 - Step 5: Solve for x
x = 79,197,921,448,522,704/325,175,491.95 - Step 6: Final answer
x = 243,554,398.80
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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.