Finding the Fourth Proportional to 434,628,172.05, 651,718,309.28 and 161,858,533.65
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Solution
The fourth proportional to 434,628,172.05, 651,718,309.28 and 161,858,533.65 is: 242,704,400.39
Step by Step Solution
- Step 1: Write the proportion equation
434,628,172.05 : 651,718,309.28 = 161,858,533.65 : x - Step 2: Convert to fraction form
434,628,172.05/651,718,309.28 = 161,858,533.65/x - Step 3: Cross multiply
434,628,172.05x = 651,718,309.28 × 161,858,533.65 - Step 4: Simplify right side
434,628,172.05x = 105,486,169,892,108,688 - Step 5: Solve for x
x = 105,486,169,892,108,688/434,628,172.05 - Step 6: Final answer
x = 242,704,400.39
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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.