Finding the Fourth Proportional to 416,352,741.60, 624,081,214.80 and 157,467,928.80
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Solution
The fourth proportional to 416,352,741.60, 624,081,214.80 and 157,467,928.80 is: 236,032,494.75
Step by Step Solution
- Step 1: Write the proportion equation
416,352,741.60 : 624,081,214.80 = 157,467,928.80 : x - Step 2: Convert to fraction form
416,352,741.60/624,081,214.80 = 157,467,928.80/x - Step 3: Cross multiply
416,352,741.60x = 624,081,214.80 × 157,467,928.80 - Step 4: Simplify right side
416,352,741.60x = 98,272,776,297,543,904 - Step 5: Solve for x
x = 98,272,776,297,543,904/416,352,741.60 - Step 6: Final answer
x = 236,032,494.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.