Finding the Fourth Proportional to 292,414,283.20, 438,621,424.80 and 246,497,780.80
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Solution
The fourth proportional to 292,414,283.20, 438,621,424.80 and 246,497,780.80 is: 369,746,671.20
Step by Step Solution
- Step 1: Write the proportion equation
292,414,283.20 : 438,621,424.80 = 246,497,780.80 : x - Step 2: Convert to fraction form
292,414,283.20/438,621,424.80 = 246,497,780.80/x - Step 3: Cross multiply
292,414,283.20x = 438,621,424.80 × 246,497,780.80 - Step 4: Simplify right side
292,414,283.20x = 108,119,207,824,534,096 - Step 5: Solve for x
x = 108,119,207,824,534,096/292,414,283.20 - Step 6: Final answer
x = 369,746,671.20
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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.