Finding the Fourth Proportional to 633,756,176.22, 949,963,316.31 and 213,177,166.42
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Solution
The fourth proportional to 633,756,176.22, 949,963,316.31 and 213,177,166.42 is: 319,540,062.21
Step by Step Solution
- Step 1: Write the proportion equation
633,756,176.22 : 949,963,316.31 = 213,177,166.42 : x - Step 2: Convert to fraction form
633,756,176.22/949,963,316.31 = 213,177,166.42/x - Step 3: Cross multiply
633,756,176.22x = 949,963,316.31 × 213,177,166.42 - Step 4: Simplify right side
633,756,176.22x = 202,510,487,973,911,936 - Step 5: Solve for x
x = 202,510,487,973,911,936/633,756,176.22 - Step 6: Final answer
x = 319,540,062.21
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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.