Finding the Fourth Proportional to 8,018,535,796.76, 12,028,263,339.33 and 2,122,941,836.12
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Solution
The fourth proportional to 8,018,535,796.76, 12,028,263,339.33 and 2,122,941,836.12 is: 3,184,534,446.95
Step by Step Solution
- Step 1: Write the proportion equation
8,018,535,796.76 : 12,028,263,339.33 = 2,122,941,836.12 : x - Step 2: Convert to fraction form
8,018,535,796.76/12,028,263,339.33 = 2,122,941,836.12/x - Step 3: Cross multiply
8,018,535,796.76x = 12,028,263,339.33 × 2,122,941,836.12 - Step 4: Simplify right side
8,018,535,796.76x = 25,535,303,458,871,971,840 - Step 5: Solve for x
x = 25,535,303,458,871,971,840/8,018,535,796.76 - Step 6: Final answer
x = 3,184,534,446.95
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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.