Finding the Fourth Proportional to 397,223,251.12, 548,243,977.69 and 263,024,467.84
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Solution
The fourth proportional to 397,223,251.12, 548,243,977.69 and 263,024,467.84 is: 363,024,017.53
Step by Step Solution
- Step 1: Write the proportion equation
397,223,251.12 : 548,243,977.69 = 263,024,467.84 : x - Step 2: Convert to fraction form
397,223,251.12/548,243,977.69 = 263,024,467.84/x - Step 3: Cross multiply
397,223,251.12x = 548,243,977.69 × 263,024,467.84 - Step 4: Simplify right side
397,223,251.12x = 144,201,580,478,397,088 - Step 5: Solve for x
x = 144,201,580,478,397,088/397,223,251.12 - Step 6: Final answer
x = 363,024,017.53
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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.