Finding the Fourth Proportional to 351,324,427.20, 526,348,911.60 and 286,276,048.80
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Solution
The fourth proportional to 351,324,427.20, 526,348,911.60 and 286,276,048.80 is: 428,894,420.76
Step by Step Solution
- Step 1: Write the proportion equation
351,324,427.20 : 526,348,911.60 = 286,276,048.80 : x - Step 2: Convert to fraction form
351,324,427.20/526,348,911.60 = 286,276,048.80/x - Step 3: Cross multiply
351,324,427.20x = 526,348,911.60 × 286,276,048.80 - Step 4: Simplify right side
351,324,427.20x = 150,681,086,703,028,512 - Step 5: Solve for x
x = 150,681,086,703,028,512/351,324,427.20 - Step 6: Final answer
x = 428,894,420.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.