Finding the Fourth Proportional to 995,683,299.20, 1,493,524,948.80 and 859,522,428.80
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Solution
The fourth proportional to 995,683,299.20, 1,493,524,948.80 and 859,522,428.80 is: 1,289,283,643.20
Step by Step Solution
- Step 1: Write the proportion equation
995,683,299.20 : 1,493,524,948.80 = 859,522,428.80 : x - Step 2: Convert to fraction form
995,683,299.20/1,493,524,948.80 = 859,522,428.80/x - Step 3: Cross multiply
995,683,299.20x = 1,493,524,948.80 × 859,522,428.80 - Step 4: Simplify right side
995,683,299.20x = 1,283,718,191,465,971,456 - Step 5: Solve for x
x = 1,283,718,191,465,971,456/995,683,299.20 - Step 6: Final answer
x = 1,289,283,643.20
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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.