Finding the Fourth Proportional to 995,328,401.80, 1,492,992,602.70 and 565,346,705.80
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Solution
The fourth proportional to 995,328,401.80, 1,492,992,602.70 and 565,346,705.80 is: 848,020,058.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,401.80 : 1,492,992,602.70 = 565,346,705.80 : x - Step 2: Convert to fraction form
995,328,401.80/1,492,992,602.70 = 565,346,705.80/x - Step 3: Cross multiply
995,328,401.80x = 1,492,992,602.70 × 565,346,705.80 - Step 4: Simplify right side
995,328,401.80x = 844,058,449,720,213,120 - Step 5: Solve for x
x = 844,058,449,720,213,120/995,328,401.80 - Step 6: Final answer
x = 848,020,058.70
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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.