Finding the Fourth Proportional to 5,907,317,948.76, 8,154,608,871.42 and 3,680,750,219.88
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Solution
The fourth proportional to 5,907,317,948.76, 8,154,608,871.42 and 3,680,750,219.88 is: 5,080,999,305.75
Step by Step Solution
- Step 1: Write the proportion equation
5,907,317,948.76 : 8,154,608,871.42 = 3,680,750,219.88 : x - Step 2: Convert to fraction form
5,907,317,948.76/8,154,608,871.42 = 3,680,750,219.88/x - Step 3: Cross multiply
5,907,317,948.76x = 8,154,608,871.42 × 3,680,750,219.88 - Step 4: Simplify right side
5,907,317,948.76x = 30,015,078,396,514,566,144 - Step 5: Solve for x
x = 30,015,078,396,514,566,144/5,907,317,948.76 - Step 6: Final answer
x = 5,080,999,305.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.