Finding the Fourth Proportional to 6,928,416,145.80, 10,392,624,218.70 and 2,021,089,951.80
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Solution
The fourth proportional to 6,928,416,145.80, 10,392,624,218.70 and 2,021,089,951.80 is: 3,031,634,927.70
Step by Step Solution
- Step 1: Write the proportion equation
6,928,416,145.80 : 10,392,624,218.70 = 2,021,089,951.80 : x - Step 2: Convert to fraction form
6,928,416,145.80/10,392,624,218.70 = 2,021,089,951.80/x - Step 3: Cross multiply
6,928,416,145.80x = 10,392,624,218.70 × 2,021,089,951.80 - Step 4: Simplify right side
6,928,416,145.80x = 21,004,428,381,247,897,600 - Step 5: Solve for x
x = 21,004,428,381,247,897,600/6,928,416,145.80 - Step 6: Final answer
x = 3,031,634,927.70
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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.