Finding the Fourth Proportional to 605,369,000.57, 908,053,512.86 and 145,307,169.95
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Solution
The fourth proportional to 605,369,000.57, 908,053,512.86 and 145,307,169.95 is: 217,960,757.80
Step by Step Solution
- Step 1: Write the proportion equation
605,369,000.57 : 908,053,512.86 = 145,307,169.95 : x - Step 2: Convert to fraction form
605,369,000.57/908,053,512.86 = 145,307,169.95/x - Step 3: Cross multiply
605,369,000.57x = 908,053,512.86 × 145,307,169.95 - Step 4: Simplify right side
605,369,000.57x = 131,946,686,112,665,520 - Step 5: Solve for x
x = 131,946,686,112,665,520/605,369,000.57 - Step 6: Final answer
x = 217,960,757.80
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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.