Finding the Fourth Proportional to 323,539,805.93, 485,261,871.37 and 119,020,051.49
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Solution
The fourth proportional to 323,539,805.93, 485,261,871.37 and 119,020,051.49 is: 178,512,479.32
Step by Step Solution
- Step 1: Write the proportion equation
323,539,805.93 : 485,261,871.37 = 119,020,051.49 : x - Step 2: Convert to fraction form
323,539,805.93/485,261,871.37 = 119,020,051.49/x - Step 3: Cross multiply
323,539,805.93x = 485,261,871.37 × 119,020,051.49 - Step 4: Simplify right side
323,539,805.93x = 57,755,892,913,867,296 - Step 5: Solve for x
x = 57,755,892,913,867,296/323,539,805.93 - Step 6: Final answer
x = 178,512,479.32
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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.