Finding the Fourth Proportional to 277,573,245.12, 383,053,328.64 and 153,815,988.96
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Solution
The fourth proportional to 277,573,245.12, 383,053,328.64 and 153,815,988.96 is: 212,267,311.80
Step by Step Solution
- Step 1: Write the proportion equation
277,573,245.12 : 383,053,328.64 = 153,815,988.96 : x - Step 2: Convert to fraction form
277,573,245.12/383,053,328.64 = 153,815,988.96/x - Step 3: Cross multiply
277,573,245.12x = 383,053,328.64 × 153,815,988.96 - Step 4: Simplify right side
277,573,245.12x = 58,919,726,569,181,496 - Step 5: Solve for x
x = 58,919,726,569,181,496/277,573,245.12 - Step 6: Final answer
x = 212,267,311.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.