Finding the Fourth Proportional to 349,552,503.25, 524,397,827.32 and 128,225,898.63
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Solution
The fourth proportional to 349,552,503.25, 524,397,827.32 and 128,225,898.63 is: 192,364,185.70
Step by Step Solution
- Step 1: Write the proportion equation
349,552,503.25 : 524,397,827.32 = 128,225,898.63 : x - Step 2: Convert to fraction form
349,552,503.25/524,397,827.32 = 128,225,898.63/x - Step 3: Cross multiply
349,552,503.25x = 524,397,827.32 × 128,225,898.63 - Step 4: Simplify right side
349,552,503.25x = 67,241,382,647,406,000 - Step 5: Solve for x
x = 67,241,382,647,406,000/349,552,503.25 - Step 6: Final answer
x = 192,364,185.70
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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.