Finding the Fourth Proportional to 995,331,266.40, 1,492,996,899.60 and 896,695,816.80
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Solution
The fourth proportional to 995,331,266.40, 1,492,996,899.60 and 896,695,816.80 is: 1,345,043,725.20
Step by Step Solution
- Step 1: Write the proportion equation
995,331,266.40 : 1,492,996,899.60 = 896,695,816.80 : x - Step 2: Convert to fraction form
995,331,266.40/1,492,996,899.60 = 896,695,816.80/x - Step 3: Cross multiply
995,331,266.40x = 1,492,996,899.60 × 896,695,816.80 - Step 4: Simplify right side
995,331,266.40x = 1,338,764,074,366,689,536 - Step 5: Solve for x
x = 1,338,764,074,366,689,536/995,331,266.40 - Step 6: Final answer
x = 1,345,043,725.20
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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.