Finding the Fourth Proportional to 7,206,930,956.64, 9,946,608,865.20 and 4,035,319,264.56
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Solution
The fourth proportional to 7,206,930,956.64, 9,946,608,865.20 and 4,035,319,264.56 is: 5,569,325,224.88
Step by Step Solution
- Step 1: Write the proportion equation
7,206,930,956.64 : 9,946,608,865.20 = 4,035,319,264.56 : x - Step 2: Convert to fraction form
7,206,930,956.64/9,946,608,865.20 = 4,035,319,264.56/x - Step 3: Cross multiply
7,206,930,956.64x = 9,946,608,865.20 × 4,035,319,264.56 - Step 4: Simplify right side
7,206,930,956.64x = 40,137,742,370,784,845,824 - Step 5: Solve for x
x = 40,137,742,370,784,845,824/7,206,930,956.64 - Step 6: Final answer
x = 5,569,325,224.88
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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.