Finding the Fourth Proportional to 746,496,822.40, 1,119,745,233.60 and 513,702,044.80
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Solution
The fourth proportional to 746,496,822.40, 1,119,745,233.60 and 513,702,044.80 is: 770,553,067.20
Step by Step Solution
- Step 1: Write the proportion equation
746,496,822.40 : 1,119,745,233.60 = 513,702,044.80 : x - Step 2: Convert to fraction form
746,496,822.40/1,119,745,233.60 = 513,702,044.80/x - Step 3: Cross multiply
746,496,822.40x = 1,119,745,233.60 × 513,702,044.80 - Step 4: Simplify right side
746,496,822.40x = 575,215,416,155,373,632 - Step 5: Solve for x
x = 575,215,416,155,373,632/746,496,822.40 - Step 6: Final answer
x = 770,553,067.20
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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.