Finding the Fourth Proportional to 4,642,693,975.20, 6,954,971,036.40 and 2,796,963,952.80
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Solution
The fourth proportional to 4,642,693,975.20, 6,954,971,036.40 and 2,796,963,952.80 is: 4,189,981,804.85
Step by Step Solution
- Step 1: Write the proportion equation
4,642,693,975.20 : 6,954,971,036.40 = 2,796,963,952.80 : x - Step 2: Convert to fraction form
4,642,693,975.20/6,954,971,036.40 = 2,796,963,952.80/x - Step 3: Cross multiply
4,642,693,975.20x = 6,954,971,036.40 × 2,796,963,952.80 - Step 4: Simplify right side
4,642,693,975.20x = 19,452,803,281,578,856,448 - Step 5: Solve for x
x = 19,452,803,281,578,856,448/4,642,693,975.20 - Step 6: Final answer
x = 4,189,981,804.85
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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.