Finding the Fourth Proportional to 995,328,844.20, 1,492,993,266.30 and 934,812,901.80
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Solution
The fourth proportional to 995,328,844.20, 1,492,993,266.30 and 934,812,901.80 is: 1,402,219,352.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,844.20 : 1,492,993,266.30 = 934,812,901.80 : x - Step 2: Convert to fraction form
995,328,844.20/1,492,993,266.30 = 934,812,901.80/x - Step 3: Cross multiply
995,328,844.20x = 1,492,993,266.30 × 934,812,901.80 - Step 4: Simplify right side
995,328,844.20x = 1,395,669,367,637,763,072 - Step 5: Solve for x
x = 1,395,669,367,637,763,072/995,328,844.20 - Step 6: Final answer
x = 1,402,219,352.70
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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.