Finding the Fourth Proportional to 461,284,785.05, 636,572,588.85 and 260,383,956.12
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Solution
The fourth proportional to 461,284,785.05, 636,572,588.85 and 260,383,956.12 is: 359,329,625.46
Step by Step Solution
- Step 1: Write the proportion equation
461,284,785.05 : 636,572,588.85 = 260,383,956.12 : x - Step 2: Convert to fraction form
461,284,785.05/636,572,588.85 = 260,383,956.12/x - Step 3: Cross multiply
461,284,785.05x = 636,572,588.85 × 260,383,956.12 - Step 4: Simplify right side
461,284,785.05x = 165,753,289,042,313,216 - Step 5: Solve for x
x = 165,753,289,042,313,216/461,284,785.05 - Step 6: Final answer
x = 359,329,625.46
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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.