Finding the Fourth Proportional to 1,442,452,352.46, 2,163,126,974.58 and 787,053,072.12
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Solution
The fourth proportional to 1,442,452,352.46, 2,163,126,974.58 and 787,053,072.12 is: 1,180,278,660.73
Step by Step Solution
- Step 1: Write the proportion equation
1,442,452,352.46 : 2,163,126,974.58 = 787,053,072.12 : x - Step 2: Convert to fraction form
1,442,452,352.46/2,163,126,974.58 = 787,053,072.12/x - Step 3: Cross multiply
1,442,452,352.46x = 2,163,126,974.58 × 787,053,072.12 - Step 4: Simplify right side
1,442,452,352.46x = 1,702,495,730,728,830,208 - Step 5: Solve for x
x = 1,702,495,730,728,830,208/1,442,452,352.46 - Step 6: Final answer
x = 1,180,278,660.73
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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.