Finding the Fourth Proportional to 994,718,430.20, 1,492,077,645.30 and 934,202,487.80
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Solution
The fourth proportional to 994,718,430.20, 1,492,077,645.30 and 934,202,487.80 is: 1,401,303,731.70
Step by Step Solution
- Step 1: Write the proportion equation
994,718,430.20 : 1,492,077,645.30 = 934,202,487.80 : x - Step 2: Convert to fraction form
994,718,430.20/1,492,077,645.30 = 934,202,487.80/x - Step 3: Cross multiply
994,718,430.20x = 1,492,077,645.30 × 934,202,487.80 - Step 4: Simplify right side
994,718,430.20x = 1,393,902,648,230,025,984 - Step 5: Solve for x
x = 1,393,902,648,230,025,984/994,718,430.20 - Step 6: Final answer
x = 1,401,303,731.70
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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.