Finding the Fourth Proportional to 354,964,915.30, 532,447,372.95 and 240,303,129.70
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Solution
The fourth proportional to 354,964,915.30, 532,447,372.95 and 240,303,129.70 is: 360,454,694.55
Step by Step Solution
- Step 1: Write the proportion equation
354,964,915.30 : 532,447,372.95 = 240,303,129.70 : x - Step 2: Convert to fraction form
354,964,915.30/532,447,372.95 = 240,303,129.70/x - Step 3: Cross multiply
354,964,915.30x = 532,447,372.95 × 240,303,129.70 - Step 4: Simplify right side
354,964,915.30x = 127,948,770,120,428,112 - Step 5: Solve for x
x = 127,948,770,120,428,112/354,964,915.30 - Step 6: Final answer
x = 360,454,694.55
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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.