Finding the Fourth Proportional to 4,615,405,191.14, 6,369,582,406.64 and 2,608,425,807.89
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Solution
The fourth proportional to 4,615,405,191.14, 6,369,582,406.64 and 2,608,425,807.89 is: 3,599,810,297.66
Step by Step Solution
- Step 1: Write the proportion equation
4,615,405,191.14 : 6,369,582,406.64 = 2,608,425,807.89 : x - Step 2: Convert to fraction form
4,615,405,191.14/6,369,582,406.64 = 2,608,425,807.89/x - Step 3: Cross multiply
4,615,405,191.14x = 6,369,582,406.64 × 2,608,425,807.89 - Step 4: Simplify right side
4,615,405,191.14x = 16,614,583,134,916,984,832 - Step 5: Solve for x
x = 16,614,583,134,916,984,832/4,615,405,191.14 - Step 6: Final answer
x = 3,599,810,297.66
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1.5x scale
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.