Finding the Fourth Proportional to 399,952,154.70, 551,934,783.68 and 223,743,092.70
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Solution
The fourth proportional to 399,952,154.70, 551,934,783.68 and 223,743,092.70 is: 308,765,921.17
Step by Step Solution
- Step 1: Write the proportion equation
399,952,154.70 : 551,934,783.68 = 223,743,092.70 : x - Step 2: Convert to fraction form
399,952,154.70/551,934,783.68 = 223,743,092.70/x - Step 3: Cross multiply
399,952,154.70x = 551,934,783.68 × 223,743,092.70 - Step 4: Simplify right side
399,952,154.70x = 123,491,595,468,149,952 - Step 5: Solve for x
x = 123,491,595,468,149,952/399,952,154.70 - Step 6: Final answer
x = 308,765,921.17
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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.