Finding the Fourth Proportional to 484,780,309.04, 669,001,075.18 and 275,949,879.19
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Solution
The fourth proportional to 484,780,309.04, 669,001,075.18 and 275,949,879.19 is: 380,813,251.75
Step by Step Solution
- Step 1: Write the proportion equation
484,780,309.04 : 669,001,075.18 = 275,949,879.19 : x - Step 2: Convert to fraction form
484,780,309.04/669,001,075.18 = 275,949,879.19/x - Step 3: Cross multiply
484,780,309.04x = 669,001,075.18 × 275,949,879.19 - Step 4: Simplify right side
484,780,309.04x = 184,610,765,871,538,720 - Step 5: Solve for x
x = 184,610,765,871,538,720/484,780,309.04 - Step 6: Final answer
x = 380,813,251.75
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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.