Finding the Fourth Proportional to 2,235,557,959.20, 3,353,336,938.80 and 2,220,252,458.40
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Solution
The fourth proportional to 2,235,557,959.20, 3,353,336,938.80 and 2,220,252,458.40 is: 3,330,378,687.60
Step by Step Solution
- Step 1: Write the proportion equation
2,235,557,959.20 : 3,353,336,938.80 = 2,220,252,458.40 : x - Step 2: Convert to fraction form
2,235,557,959.20/3,353,336,938.80 = 2,220,252,458.40/x - Step 3: Cross multiply
2,235,557,959.20x = 3,353,336,938.80 × 2,220,252,458.40 - Step 4: Simplify right side
2,235,557,959.20x = 7,445,254,582,214,231,040 - Step 5: Solve for x
x = 7,445,254,582,214,231,040/2,235,557,959.20 - Step 6: Final answer
x = 3,330,378,687.60
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1.5x scale
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.