Finding the Fourth Proportional to 459,967,246.20, 689,950,869.30 and 414,050,743.80
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Solution
The fourth proportional to 459,967,246.20, 689,950,869.30 and 414,050,743.80 is: 621,076,115.70
Step by Step Solution
- Step 1: Write the proportion equation
459,967,246.20 : 689,950,869.30 = 414,050,743.80 : x - Step 2: Convert to fraction form
459,967,246.20/689,950,869.30 = 414,050,743.80/x - Step 3: Cross multiply
459,967,246.20x = 689,950,869.30 × 414,050,743.80 - Step 4: Simplify right side
459,967,246.20x = 285,674,670,619,121,568 - Step 5: Solve for x
x = 285,674,670,619,121,568/459,967,246.20 - Step 6: Final answer
x = 621,076,115.70
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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.