Finding the Fourth Proportional to 743,156,044.80, 1,114,698,637.80 and 251,821,125.60
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Solution
The fourth proportional to 743,156,044.80, 1,114,698,637.80 and 251,821,125.60 is: 377,719,683.02
Step by Step Solution
- Step 1: Write the proportion equation
743,156,044.80 : 1,114,698,637.80 = 251,821,125.60 : x - Step 2: Convert to fraction form
743,156,044.80/1,114,698,637.80 = 251,821,125.60/x - Step 3: Cross multiply
743,156,044.80x = 1,114,698,637.80 × 251,821,125.60 - Step 4: Simplify right side
743,156,044.80x = 280,704,665,675,582,688 - Step 5: Solve for x
x = 280,704,665,675,582,688/743,156,044.80 - Step 6: Final answer
x = 377,719,683.02
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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.