Finding the Fourth Proportional to 874,515,935.80, 1,311,773,903.70 and 228,283,679.80
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Solution
The fourth proportional to 874,515,935.80, 1,311,773,903.70 and 228,283,679.80 is: 342,425,519.70
Step by Step Solution
- Step 1: Write the proportion equation
874,515,935.80 : 1,311,773,903.70 = 228,283,679.80 : x - Step 2: Convert to fraction form
874,515,935.80/1,311,773,903.70 = 228,283,679.80/x - Step 3: Cross multiply
874,515,935.80x = 1,311,773,903.70 × 228,283,679.80 - Step 4: Simplify right side
874,515,935.80x = 299,456,573,802,246,848 - Step 5: Solve for x
x = 299,456,573,802,246,848/874,515,935.80 - Step 6: Final answer
x = 342,425,519.70
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Similar ratio
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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.