Finding the Fourth Proportional to 325,757,784.08, 487,573,241.88 and 239,473,352.72
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Solution
The fourth proportional to 325,757,784.08, 487,573,241.88 and 239,473,352.72 is: 358,428,269.82
Step by Step Solution
- Step 1: Write the proportion equation
325,757,784.08 : 487,573,241.88 = 239,473,352.72 : x - Step 2: Convert to fraction form
325,757,784.08/487,573,241.88 = 239,473,352.72/x - Step 3: Cross multiply
325,757,784.08x = 487,573,241.88 × 239,473,352.72 - Step 4: Simplify right side
325,757,784.08x = 116,760,798,929,563,120 - Step 5: Solve for x
x = 116,760,798,929,563,120/325,757,784.08 - Step 6: Final answer
x = 358,428,269.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.