Finding the Fourth Proportional to 508,635,149.93, 761,931,185.08 and 231,905,701.99
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Solution
The fourth proportional to 508,635,149.93, 761,931,185.08 and 231,905,701.99 is: 347,392,794.95
Step by Step Solution
- Step 1: Write the proportion equation
508,635,149.93 : 761,931,185.08 = 231,905,701.99 : x - Step 2: Convert to fraction form
508,635,149.93/761,931,185.08 = 231,905,701.99/x - Step 3: Cross multiply
508,635,149.93x = 761,931,185.08 × 231,905,701.99 - Step 4: Simplify right side
508,635,149.93x = 176,696,186,344,050,016 - Step 5: Solve for x
x = 176,696,186,344,050,016/508,635,149.93 - Step 6: Final answer
x = 347,392,794.95
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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.