Finding the Fourth Proportional to 1,447,456,164.40, 2,171,184,246.60 and 1,206,394,526.80
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Solution
The fourth proportional to 1,447,456,164.40, 2,171,184,246.60 and 1,206,394,526.80 is: 1,809,591,790.20
Step by Step Solution
- Step 1: Write the proportion equation
1,447,456,164.40 : 2,171,184,246.60 = 1,206,394,526.80 : x - Step 2: Convert to fraction form
1,447,456,164.40/2,171,184,246.60 = 1,206,394,526.80/x - Step 3: Cross multiply
1,447,456,164.40x = 2,171,184,246.60 × 1,206,394,526.80 - Step 4: Simplify right side
1,447,456,164.40x = 2,619,304,791,772,621,312 - Step 5: Solve for x
x = 2,619,304,791,772,621,312/1,447,456,164.40 - Step 6: Final answer
x = 1,809,591,790.20
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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.