Finding the Fourth Proportional to 2,059,957,252.80, 3,089,935,879.20 and 1,189,244,318.40
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Solution
The fourth proportional to 2,059,957,252.80, 3,089,935,879.20 and 1,189,244,318.40 is: 1,783,866,477.60
Step by Step Solution
- Step 1: Write the proportion equation
2,059,957,252.80 : 3,089,935,879.20 = 1,189,244,318.40 : x - Step 2: Convert to fraction form
2,059,957,252.80/3,089,935,879.20 = 1,189,244,318.40/x - Step 3: Cross multiply
2,059,957,252.80x = 3,089,935,879.20 × 1,189,244,318.40 - Step 4: Simplify right side
2,059,957,252.80x = 3,674,688,688,558,908,928 - Step 5: Solve for x
x = 3,674,688,688,558,908,928/2,059,957,252.80 - Step 6: Final answer
x = 1,783,866,477.60
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1.5x scale
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.