Finding the Fourth Proportional to 632,919,254.16, 949,342,110.48 and 190,252,374.96
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Solution
The fourth proportional to 632,919,254.16, 949,342,110.48 and 190,252,374.96 is: 285,367,509.33
Step by Step Solution
- Step 1: Write the proportion equation
632,919,254.16 : 949,342,110.48 = 190,252,374.96 : x - Step 2: Convert to fraction form
632,919,254.16/949,342,110.48 = 190,252,374.96/x - Step 3: Cross multiply
632,919,254.16x = 949,342,110.48 × 190,252,374.96 - Step 4: Simplify right side
632,919,254.16x = 180,614,591,168,358,720 - Step 5: Solve for x
x = 180,614,591,168,358,720/632,919,254.16 - Step 6: Final answer
x = 285,367,509.33
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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.