Finding the Fourth Proportional to 498,231,634.20, 747,347,451.30 and 239,384,437.80
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Solution
The fourth proportional to 498,231,634.20, 747,347,451.30 and 239,384,437.80 is: 359,076,656.70
Step by Step Solution
- Step 1: Write the proportion equation
498,231,634.20 : 747,347,451.30 = 239,384,437.80 : x - Step 2: Convert to fraction form
498,231,634.20/747,347,451.30 = 239,384,437.80/x - Step 3: Cross multiply
498,231,634.20x = 747,347,451.30 × 239,384,437.80 - Step 4: Simplify right side
498,231,634.20x = 178,903,349,470,713,376 - Step 5: Solve for x
x = 178,903,349,470,713,376/498,231,634.20 - Step 6: Final answer
x = 359,076,656.70
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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.