Finding the Fourth Proportional to 2,923,266,935.28, 4,385,158,173.67 and 824,761,703.28
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Solution
The fourth proportional to 2,923,266,935.28, 4,385,158,173.67 and 824,761,703.28 is: 1,237,215,281.58
Step by Step Solution
- Step 1: Write the proportion equation
2,923,266,935.28 : 4,385,158,173.67 = 824,761,703.28 : x - Step 2: Convert to fraction form
2,923,266,935.28/4,385,158,173.67 = 824,761,703.28/x - Step 3: Cross multiply
2,923,266,935.28x = 4,385,158,173.67 × 824,761,703.28 - Step 4: Simplify right side
2,923,266,935.28x = 3,616,710,524,468,283,392 - Step 5: Solve for x
x = 3,616,710,524,468,283,392/2,923,266,935.28 - Step 6: Final answer
x = 1,237,215,281.58
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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.