Finding the Fourth Proportional to 2,156,544,073.60, 3,234,816,110.40 and 1,430,352,764.80
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Solution
The fourth proportional to 2,156,544,073.60, 3,234,816,110.40 and 1,430,352,764.80 is: 2,145,529,147.20
Step by Step Solution
- Step 1: Write the proportion equation
2,156,544,073.60 : 3,234,816,110.40 = 1,430,352,764.80 : x - Step 2: Convert to fraction form
2,156,544,073.60/3,234,816,110.40 = 1,430,352,764.80/x - Step 3: Cross multiply
2,156,544,073.60x = 3,234,816,110.40 × 1,430,352,764.80 - Step 4: Simplify right side
2,156,544,073.60x = 4,626,928,167,130,221,568 - Step 5: Solve for x
x = 4,626,928,167,130,221,568/2,156,544,073.60 - Step 6: Final answer
x = 2,145,529,147.20
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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.