Finding the Fourth Proportional to 965,492,756.80, 1,448,239,135.20 and 238,481,468.80
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Solution
The fourth proportional to 965,492,756.80, 1,448,239,135.20 and 238,481,468.80 is: 357,722,203.20
Step by Step Solution
- Step 1: Write the proportion equation
965,492,756.80 : 1,448,239,135.20 = 238,481,468.80 : x - Step 2: Convert to fraction form
965,492,756.80/1,448,239,135.20 = 238,481,468.80/x - Step 3: Cross multiply
965,492,756.80x = 1,448,239,135.20 × 238,481,468.80 - Step 4: Simplify right side
965,492,756.80x = 345,378,196,136,137,792 - Step 5: Solve for x
x = 345,378,196,136,137,792/965,492,756.80 - Step 6: Final answer
x = 357,722,203.20
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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.