Finding the Fourth Proportional to 442,929,644.20, 664,195,400.70 and 170,209,772.20
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Solution
The fourth proportional to 442,929,644.20, 664,195,400.70 and 170,209,772.20 is: 255,238,161.03
Step by Step Solution
- Step 1: Write the proportion equation
442,929,644.20 : 664,195,400.70 = 170,209,772.20 : x - Step 2: Convert to fraction form
442,929,644.20/664,195,400.70 = 170,209,772.20/x - Step 3: Cross multiply
442,929,644.20x = 664,195,400.70 × 170,209,772.20 - Step 4: Simplify right side
442,929,644.20x = 113,052,547,849,434,720 - Step 5: Solve for x
x = 113,052,547,849,434,720/442,929,644.20 - Step 6: Final answer
x = 255,238,161.03
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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.