Finding the Fourth Proportional to 776,882,931.20, 1,165,324,396.80 and 202,454,259.20
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Solution
The fourth proportional to 776,882,931.20, 1,165,324,396.80 and 202,454,259.20 is: 303,681,388.80
Step by Step Solution
- Step 1: Write the proportion equation
776,882,931.20 : 1,165,324,396.80 = 202,454,259.20 : x - Step 2: Convert to fraction form
776,882,931.20/1,165,324,396.80 = 202,454,259.20/x - Step 3: Cross multiply
776,882,931.20x = 1,165,324,396.80 × 202,454,259.20 - Step 4: Simplify right side
776,882,931.20x = 235,924,887,481,830,816 - Step 5: Solve for x
x = 235,924,887,481,830,816/776,882,931.20 - Step 6: Final answer
x = 303,681,388.80
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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.