Finding the Fourth Proportional to 7,775,334,273.12, 11,663,518,580.64 and 2,732,580,846.24
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Solution
The fourth proportional to 7,775,334,273.12, 11,663,518,580.64 and 2,732,580,846.24 is: 4,099,053,025.08
Step by Step Solution
- Step 1: Write the proportion equation
7,775,334,273.12 : 11,663,518,580.64 = 2,732,580,846.24 : x - Step 2: Convert to fraction form
7,775,334,273.12/11,663,518,580.64 = 2,732,580,846.24/x - Step 3: Cross multiply
7,775,334,273.12x = 11,663,518,580.64 × 2,732,580,846.24 - Step 4: Simplify right side
7,775,334,273.12x = 31,871,507,473,221,210,112 - Step 5: Solve for x
x = 31,871,507,473,221,210,112/7,775,334,273.12 - Step 6: Final answer
x = 4,099,053,025.08
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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.