Finding the Fourth Proportional to 377,641,432.23, 517,370,607.64 and 363,487,533.94
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Solution
The fourth proportional to 377,641,432.23, 517,370,607.64 and 363,487,533.94 is: 497,979,697.81
Step by Step Solution
- Step 1: Write the proportion equation
377,641,432.23 : 517,370,607.64 = 363,487,533.94 : x - Step 2: Convert to fraction form
377,641,432.23/517,370,607.64 = 363,487,533.94/x - Step 3: Cross multiply
377,641,432.23x = 517,370,607.64 × 363,487,533.94 - Step 4: Simplify right side
377,641,432.23x = 188,057,766,304,102,912 - Step 5: Solve for x
x = 188,057,766,304,102,912/377,641,432.23 - Step 6: Final answer
x = 497,979,697.81
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.