Finding the Fourth Proportional to 325,726,989.91, 449,506,255.43 and 177,048,460.74
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Solution
The fourth proportional to 325,726,989.91, 449,506,255.43 and 177,048,460.74 is: 244,328,511.55
Step by Step Solution
- Step 1: Write the proportion equation
325,726,989.91 : 449,506,255.43 = 177,048,460.74 : x - Step 2: Convert to fraction form
325,726,989.91/449,506,255.43 = 177,048,460.74/x - Step 3: Cross multiply
325,726,989.91x = 449,506,255.43 × 177,048,460.74 - Step 4: Simplify right side
325,726,989.91x = 79,584,390,616,882,768 - Step 5: Solve for x
x = 79,584,390,616,882,768/325,726,989.91 - Step 6: Final answer
x = 244,328,511.55
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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.