Finding the Fourth Proportional to 442,869,226.20, 664,300,340.10 and 115,344,106.20
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Solution
The fourth proportional to 442,869,226.20, 664,300,340.10 and 115,344,106.20 is: 173,015,247.94
Step by Step Solution
- Step 1: Write the proportion equation
442,869,226.20 : 664,300,340.10 = 115,344,106.20 : x - Step 2: Convert to fraction form
442,869,226.20/664,300,340.10 = 115,344,106.20/x - Step 3: Cross multiply
442,869,226.20x = 664,300,340.10 × 115,344,106.20 - Step 4: Simplify right side
442,869,226.20x = 76,623,128,977,190,528 - Step 5: Solve for x
x = 76,623,128,977,190,528/442,869,226.20 - Step 6: Final answer
x = 173,015,247.94
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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.