Finding the Fourth Proportional to 446,550,327.21, 616,239,962.45 and 248,307,565.65
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Solution
The fourth proportional to 446,550,327.21, 616,239,962.45 and 248,307,565.65 is: 342,664,724.68
Step by Step Solution
- Step 1: Write the proportion equation
446,550,327.21 : 616,239,962.45 = 248,307,565.65 : x - Step 2: Convert to fraction form
446,550,327.21/616,239,962.45 = 248,307,565.65/x - Step 3: Cross multiply
446,550,327.21x = 616,239,962.45 × 248,307,565.65 - Step 4: Simplify right side
446,550,327.21x = 153,017,044,929,585,632 - Step 5: Solve for x
x = 153,017,044,929,585,632/446,550,327.21 - Step 6: Final answer
x = 342,664,724.68
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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.