Finding the Fourth Proportional to 368,649,880.60, 508,752,283.08 and 212,017,093.60
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Solution
The fourth proportional to 368,649,880.60, 508,752,283.08 and 212,017,093.60 is: 292,592,473.50
Step by Step Solution
- Step 1: Write the proportion equation
368,649,880.60 : 508,752,283.08 = 212,017,093.60 : x - Step 2: Convert to fraction form
368,649,880.60/508,752,283.08 = 212,017,093.60/x - Step 3: Cross multiply
368,649,880.60x = 508,752,283.08 × 212,017,093.60 - Step 4: Simplify right side
368,649,880.60x = 107,864,180,420,986,048 - Step 5: Solve for x
x = 107,864,180,420,986,048/368,649,880.60 - Step 6: Final answer
x = 292,592,473.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.