Finding the Fourth Proportional to 461,391,618.87, 636,724,404.10 and 263,163,150.18
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Solution
The fourth proportional to 461,391,618.87, 636,724,404.10 and 263,163,150.18 is: 363,167,411.64
Step by Step Solution
- Step 1: Write the proportion equation
461,391,618.87 : 636,724,404.10 = 263,163,150.18 : x - Step 2: Convert to fraction form
461,391,618.87/636,724,404.10 = 263,163,150.18/x - Step 3: Cross multiply
461,391,618.87x = 636,724,404.10 × 263,163,150.18 - Step 4: Simplify right side
461,391,618.87x = 167,562,399,980,373,216 - Step 5: Solve for x
x = 167,562,399,980,373,216/461,391,618.87 - Step 6: Final answer
x = 363,167,411.64
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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.