Finding the Fourth Proportional to 365,983,718.19, 505,052,364.41 and 207,209,746.88
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Solution
The fourth proportional to 365,983,718.19, 505,052,364.41 and 207,209,746.88 is: 285,946,525.46
Step by Step Solution
- Step 1: Write the proportion equation
365,983,718.19 : 505,052,364.41 = 207,209,746.88 : x - Step 2: Convert to fraction form
365,983,718.19/505,052,364.41 = 207,209,746.88/x - Step 3: Cross multiply
365,983,718.19x = 505,052,364.41 × 207,209,746.88 - Step 4: Simplify right side
365,983,718.19x = 104,651,772,589,574,752 - Step 5: Solve for x
x = 104,651,772,589,574,752/365,983,718.19 - Step 6: Final answer
x = 285,946,525.46
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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.