Finding the Fourth Proportional to 344,433,861.63, 516,652,847.60 and 85,649,081.87
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Solution
The fourth proportional to 344,433,861.63, 516,652,847.60 and 85,649,081.87 is: 128,474,133.86
Step by Step Solution
- Step 1: Write the proportion equation
344,433,861.63 : 516,652,847.60 = 85,649,081.87 : x - Step 2: Convert to fraction form
344,433,861.63/516,652,847.60 = 85,649,081.87/x - Step 3: Cross multiply
344,433,861.63x = 516,652,847.60 × 85,649,081.87 - Step 4: Simplify right side
344,433,861.63x = 44,250,842,044,169,776 - Step 5: Solve for x
x = 44,250,842,044,169,776/344,433,861.63 - Step 6: Final answer
x = 128,474,133.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.