Finding the Fourth Proportional to 7,206,930,965.64, 9,946,608,877.62 and 4,035,319,273.56
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Solution
The fourth proportional to 7,206,930,965.64, 9,946,608,877.62 and 4,035,319,273.56 is: 5,569,325,237.30
Step by Step Solution
- Step 1: Write the proportion equation
7,206,930,965.64 : 9,946,608,877.62 = 4,035,319,273.56 : x - Step 2: Convert to fraction form
7,206,930,965.64/9,946,608,877.62 = 4,035,319,273.56/x - Step 3: Cross multiply
7,206,930,965.64x = 9,946,608,877.62 × 4,035,319,273.56 - Step 4: Simplify right side
7,206,930,965.64x = 40,137,742,510,422,990,848 - Step 5: Solve for x
x = 40,137,742,510,422,990,848/7,206,930,965.64 - Step 6: Final answer
x = 5,569,325,237.30
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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.