Finding the Fourth Proportional to 416,174,900.76, 624,349,948.02 and 157,384,333.08
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Solution
The fourth proportional to 416,174,900.76, 624,349,948.02 and 157,384,333.08 is: 236,109,626.02
Step by Step Solution
- Step 1: Write the proportion equation
416,174,900.76 : 624,349,948.02 = 157,384,333.08 : x - Step 2: Convert to fraction form
416,174,900.76/624,349,948.02 = 157,384,333.08/x - Step 3: Cross multiply
416,174,900.76x = 624,349,948.02 × 157,384,333.08 - Step 4: Simplify right side
416,174,900.76x = 98,262,900,177,660,368 - Step 5: Solve for x
x = 98,262,900,177,660,368/416,174,900.76 - Step 6: Final answer
x = 236,109,626.02
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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.