Finding the Fourth Proportional to 416,125,352.85, 574,252,976.39 and 230,498,325.93
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Solution
The fourth proportional to 416,125,352.85, 574,252,976.39 and 230,498,325.93 is: 318,087,683.94
Step by Step Solution
- Step 1: Write the proportion equation
416,125,352.85 : 574,252,976.39 = 230,498,325.93 : x - Step 2: Convert to fraction form
416,125,352.85/574,252,976.39 = 230,498,325.93/x - Step 3: Cross multiply
416,125,352.85x = 574,252,976.39 × 230,498,325.93 - Step 4: Simplify right side
416,125,352.85x = 132,364,349,718,214,816 - Step 5: Solve for x
x = 132,364,349,718,214,816/416,125,352.85 - Step 6: Final answer
x = 318,087,683.94
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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.