Finding the Fourth Proportional to 3,981,312,110.80, 5,971,968,166.20 and 3,642,701,525.20
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Solution
The fourth proportional to 3,981,312,110.80, 5,971,968,166.20 and 3,642,701,525.20 is: 5,464,052,287.80
Step by Step Solution
- Step 1: Write the proportion equation
3,981,312,110.80 : 5,971,968,166.20 = 3,642,701,525.20 : x - Step 2: Convert to fraction form
3,981,312,110.80/5,971,968,166.20 = 3,642,701,525.20/x - Step 3: Cross multiply
3,981,312,110.80x = 5,971,968,166.20 × 3,642,701,525.20 - Step 4: Simplify right side
3,981,312,110.80x = 21,754,097,547,462,586,368 - Step 5: Solve for x
x = 21,754,097,547,462,586,368/3,981,312,110.80 - Step 6: Final answer
x = 5,464,052,287.80
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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.