Finding the Fourth Proportional to 5,112,555,432.40, 7,668,833,148.60 and 3,371,129,563.60
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Solution
The fourth proportional to 5,112,555,432.40, 7,668,833,148.60 and 3,371,129,563.60 is: 5,056,694,345.40
Step by Step Solution
- Step 1: Write the proportion equation
5,112,555,432.40 : 7,668,833,148.60 = 3,371,129,563.60 : x - Step 2: Convert to fraction form
5,112,555,432.40/7,668,833,148.60 = 3,371,129,563.60/x - Step 3: Cross multiply
5,112,555,432.40x = 7,668,833,148.60 × 3,371,129,563.60 - Step 4: Simplify right side
5,112,555,432.40x = 25,852,630,145,561,133,056 - Step 5: Solve for x
x = 25,852,630,145,561,133,056/5,112,555,432.40 - Step 6: Final answer
x = 5,056,694,345.40
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1.5x scale
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.