Finding the Fourth Proportional to 995,336,563.20, 1,493,004,844.80 and 904,637,299.20
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Solution
The fourth proportional to 995,336,563.20, 1,493,004,844.80 and 904,637,299.20 is: 1,356,955,948.80
Step by Step Solution
- Step 1: Write the proportion equation
995,336,563.20 : 1,493,004,844.80 = 904,637,299.20 : x - Step 2: Convert to fraction form
995,336,563.20/1,493,004,844.80 = 904,637,299.20/x - Step 3: Cross multiply
995,336,563.20x = 1,493,004,844.80 × 904,637,299.20 - Step 4: Simplify right side
995,336,563.20x = 1,350,627,870,492,387,072 - Step 5: Solve for x
x = 1,350,627,870,492,387,072/995,336,563.20 - Step 6: Final answer
x = 1,356,955,948.80
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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.