Finding the Fourth Proportional to 1,512,743,156.40, 2,268,455,718.48 and 803,536,523.76
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Solution
The fourth proportional to 1,512,743,156.40, 2,268,455,718.48 and 803,536,523.76 is: 1,204,954,730.50
Step by Step Solution
- Step 1: Write the proportion equation
1,512,743,156.40 : 2,268,455,718.48 = 803,536,523.76 : x - Step 2: Convert to fraction form
1,512,743,156.40/2,268,455,718.48 = 803,536,523.76/x - Step 3: Cross multiply
1,512,743,156.40x = 2,268,455,718.48 × 803,536,523.76 - Step 4: Simplify right side
1,512,743,156.40x = 1,822,787,022,330,912,512 - Step 5: Solve for x
x = 1,822,787,022,330,912,512/1,512,743,156.40 - Step 6: Final answer
x = 1,204,954,730.50
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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.