Finding the Fourth Proportional to 185,474,648,915.94, 278,227,999,512.66 and 51,169,139,013.72
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Solution
The fourth proportional to 185,474,648,915.94, 278,227,999,512.66 and 51,169,139,013.72 is: 76,758,129,845.68
Step by Step Solution
- Step 1: Write the proportion equation
185,474,648,915.94 : 278,227,999,512.66 = 51,169,139,013.72 : x - Step 2: Convert to fraction form
185,474,648,915.94/278,227,999,512.66 = 51,169,139,013.72/x - Step 3: Cross multiply
185,474,648,915.94x = 278,227,999,512.66 × 51,169,139,013.72 - Step 4: Simplify right side
185,474,648,915.94x = 14,236,687,184,572,517,974,016 - Step 5: Solve for x
x = 14,236,687,184,572,517,974,016/185,474,648,915.94 - Step 6: Final answer
x = 76,758,129,845.68
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1.5x scale
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.