Finding the Fourth Proportional to 451,602,934.08, 622,050,863.64 and 319,216,330.80
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Solution
The fourth proportional to 451,602,934.08, 622,050,863.64 and 319,216,330.80 is: 439,697,750.56
Step by Step Solution
- Step 1: Write the proportion equation
451,602,934.08 : 622,050,863.64 = 319,216,330.80 : x - Step 2: Convert to fraction form
451,602,934.08/622,050,863.64 = 319,216,330.80/x - Step 3: Cross multiply
451,602,934.08x = 622,050,863.64 × 319,216,330.80 - Step 4: Simplify right side
451,602,934.08x = 198,568,794,262,131,936 - Step 5: Solve for x
x = 198,568,794,262,131,936/451,602,934.08 - Step 6: Final answer
x = 439,697,750.56
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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.