Finding the Fourth Proportional to 1,830,211,700.99, 2,525,968,231.54 and 1,116,161,511.66
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Solution
The fourth proportional to 1,830,211,700.99, 2,525,968,231.54 and 1,116,161,511.66 is: 1,540,471,257.06
Step by Step Solution
- Step 1: Write the proportion equation
1,830,211,700.99 : 2,525,968,231.54 = 1,116,161,511.66 : x - Step 2: Convert to fraction form
1,830,211,700.99/2,525,968,231.54 = 1,116,161,511.66/x - Step 3: Cross multiply
1,830,211,700.99x = 2,525,968,231.54 × 1,116,161,511.66 - Step 4: Simplify right side
1,830,211,700.99x = 2,819,388,519,718,032,896 - Step 5: Solve for x
x = 2,819,388,519,718,032,896/1,830,211,700.99 - Step 6: Final answer
x = 1,540,471,257.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.