Finding the Fourth Proportional to 570,140,236.53, 855,533,872.86 and 307,821,291.84
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Solution
The fourth proportional to 570,140,236.53, 855,533,872.86 and 307,821,291.84 is: 461,906,606.62
Step by Step Solution
- Step 1: Write the proportion equation
570,140,236.53 : 855,533,872.86 = 307,821,291.84 : x - Step 2: Convert to fraction form
570,140,236.53/855,533,872.86 = 307,821,291.84/x - Step 3: Cross multiply
570,140,236.53x = 855,533,872.86 × 307,821,291.84 - Step 4: Simplify right side
570,140,236.53x = 263,351,541,950,826,720 - Step 5: Solve for x
x = 263,351,541,950,826,720/570,140,236.53 - Step 6: Final answer
x = 461,906,606.62
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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.