Finding the Fourth Proportional to 746,111,487.20, 1,119,167,230.80 and 261,374,309.60
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Solution
The fourth proportional to 746,111,487.20, 1,119,167,230.80 and 261,374,309.60 is: 392,061,464.40
Step by Step Solution
- Step 1: Write the proportion equation
746,111,487.20 : 1,119,167,230.80 = 261,374,309.60 : x - Step 2: Convert to fraction form
746,111,487.20/1,119,167,230.80 = 261,374,309.60/x - Step 3: Cross multiply
746,111,487.20x = 1,119,167,230.80 × 261,374,309.60 - Step 4: Simplify right side
746,111,487.20x = 292,521,562,277,293,824 - Step 5: Solve for x
x = 292,521,562,277,293,824/746,111,487.20 - Step 6: Final answer
x = 392,061,464.40
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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.