Finding the Fourth Proportional to 326,386,701.68, 450,409,423.32 and 177,706,117.41
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Solution
The fourth proportional to 326,386,701.68, 450,409,423.32 and 177,706,117.41 is: 245,232,141.67
Step by Step Solution
- Step 1: Write the proportion equation
326,386,701.68 : 450,409,423.32 = 177,706,117.41 : x - Step 2: Convert to fraction form
326,386,701.68/450,409,423.32 = 177,706,117.41/x - Step 3: Cross multiply
326,386,701.68x = 450,409,423.32 × 177,706,117.41 - Step 4: Simplify right side
326,386,701.68x = 80,040,509,863,074,304 - Step 5: Solve for x
x = 80,040,509,863,074,304/326,386,701.68 - Step 6: Final answer
x = 245,232,141.67
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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.