Finding the Fourth Proportional to 1,952,131,136.80, 2,692,944,851.52 and 1,246,541,251.36
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Solution
The fourth proportional to 1,952,131,136.80, 2,692,944,851.52 and 1,246,541,251.36 is: 1,719,590,852.16
Step by Step Solution
- Step 1: Write the proportion equation
1,952,131,136.80 : 2,692,944,851.52 = 1,246,541,251.36 : x - Step 2: Convert to fraction form
1,952,131,136.80/2,692,944,851.52 = 1,246,541,251.36/x - Step 3: Cross multiply
1,952,131,136.80x = 2,692,944,851.52 × 1,246,541,251.36 - Step 4: Simplify right side
1,952,131,136.80x = 3,356,866,845,057,209,856 - Step 5: Solve for x
x = 3,356,866,845,057,209,856/1,952,131,136.80 - Step 6: Final answer
x = 1,719,590,852.16
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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.