Finding the Fourth Proportional to 2,316,318,857.60, 3,196,542,736.72 and 1,259,046,177.20
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Solution
The fourth proportional to 2,316,318,857.60, 3,196,542,736.72 and 1,259,046,177.20 is: 1,737,496,070.42
Step by Step Solution
- Step 1: Write the proportion equation
2,316,318,857.60 : 3,196,542,736.72 = 1,259,046,177.20 : x - Step 2: Convert to fraction form
2,316,318,857.60/3,196,542,736.72 = 1,259,046,177.20/x - Step 3: Cross multiply
2,316,318,857.60x = 3,196,542,736.72 × 1,259,046,177.20 - Step 4: Simplify right side
2,316,318,857.60x = 4,024,594,912,923,742,208 - Step 5: Solve for x
x = 4,024,594,912,923,742,208/2,316,318,857.60 - Step 6: Final answer
x = 1,737,496,070.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.