Finding the Fourth Proportional to 995,328,091.80, 1,492,992,137.70 and 959,048,386.20
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Solution
The fourth proportional to 995,328,091.80, 1,492,992,137.70 and 959,048,386.20 is: 1,438,572,579.30
Step by Step Solution
- Step 1: Write the proportion equation
995,328,091.80 : 1,492,992,137.70 = 959,048,386.20 : x - Step 2: Convert to fraction form
995,328,091.80/1,492,992,137.70 = 959,048,386.20/x - Step 3: Cross multiply
995,328,091.80x = 1,492,992,137.70 × 959,048,386.20 - Step 4: Simplify right side
995,328,091.80x = 1,431,851,700,270,473,216 - Step 5: Solve for x
x = 1,431,851,700,270,473,216/995,328,091.80 - Step 6: Final answer
x = 1,438,572,579.30
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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.