Finding the Fourth Proportional to 995,328,618.70, 1,492,992,928.05 and 989,282,001.10
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Solution
The fourth proportional to 995,328,618.70, 1,492,992,928.05 and 989,282,001.10 is: 1,483,923,001.65
Step by Step Solution
- Step 1: Write the proportion equation
995,328,618.70 : 1,492,992,928.05 = 989,282,001.10 : x - Step 2: Convert to fraction form
995,328,618.70/1,492,992,928.05 = 989,282,001.10/x - Step 3: Cross multiply
995,328,618.70x = 1,492,992,928.05 × 989,282,001.10 - Step 4: Simplify right side
995,328,618.70x = 1,476,991,031,489,452,288 - Step 5: Solve for x
x = 1,476,991,031,489,452,288/995,328,618.70 - Step 6: Final answer
x = 1,483,923,001.65
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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.