Finding the Fourth Proportional to 561,847,037.99, 775,343,201.69 and 310,951,917.77
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Solution
The fourth proportional to 561,847,037.99, 775,343,201.69 and 310,951,917.77 is: 429,110,485.94
Step by Step Solution
- Step 1: Write the proportion equation
561,847,037.99 : 775,343,201.69 = 310,951,917.77 : x - Step 2: Convert to fraction form
561,847,037.99/775,343,201.69 = 310,951,917.77/x - Step 3: Cross multiply
561,847,037.99x = 775,343,201.69 × 310,951,917.77 - Step 4: Simplify right side
561,847,037.99x = 241,094,455,492,338,048 - Step 5: Solve for x
x = 241,094,455,492,338,048/561,847,037.99 - Step 6: Final answer
x = 429,110,485.94
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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.