Finding the Fourth Proportional to 1,920,506,613.12, 2,880,759,954.24 and 466,474,239.36
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Solution
The fourth proportional to 1,920,506,613.12, 2,880,759,954.24 and 466,474,239.36 is: 699,711,367.43
Step by Step Solution
- Step 1: Write the proportion equation
1,920,506,613.12 : 2,880,759,954.24 = 466,474,239.36 : x - Step 2: Convert to fraction form
1,920,506,613.12/2,880,759,954.24 = 466,474,239.36/x - Step 3: Cross multiply
1,920,506,613.12x = 2,880,759,954.24 × 466,474,239.36 - Step 4: Simplify right side
1,920,506,613.12x = 1,343,800,308,432,852,224 - Step 5: Solve for x
x = 1,343,800,308,432,852,224/1,920,506,613.12 - Step 6: Final answer
x = 699,711,367.43
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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.