Finding the Fourth Proportional to 445,113,923.88, 613,547,740.26 and 350,874,509.88
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Solution
The fourth proportional to 445,113,923.88, 613,547,740.26 and 350,874,509.88 is: 483,647,558.75
Step by Step Solution
- Step 1: Write the proportion equation
445,113,923.88 : 613,547,740.26 = 350,874,509.88 : x - Step 2: Convert to fraction form
445,113,923.88/613,547,740.26 = 350,874,509.88/x - Step 3: Cross multiply
445,113,923.88x = 613,547,740.26 × 350,874,509.88 - Step 4: Simplify right side
445,113,923.88x = 215,278,262,651,709,024 - Step 5: Solve for x
x = 215,278,262,651,709,024/445,113,923.88 - Step 6: Final answer
x = 483,647,558.75
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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.