Finding the Fourth Proportional to 1,512,032,157.80, 2,268,048,236.70 and 1,357,063,962.20
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Solution
The fourth proportional to 1,512,032,157.80, 2,268,048,236.70 and 1,357,063,962.20 is: 2,035,595,943.30
Step by Step Solution
- Step 1: Write the proportion equation
1,512,032,157.80 : 2,268,048,236.70 = 1,357,063,962.20 : x - Step 2: Convert to fraction form
1,512,032,157.80/2,268,048,236.70 = 1,357,063,962.20/x - Step 3: Cross multiply
1,512,032,157.80x = 2,268,048,236.70 × 1,357,063,962.20 - Step 4: Simplify right side
1,512,032,157.80x = 3,077,886,526,556,825,088 - Step 5: Solve for x
x = 3,077,886,526,556,825,088/1,512,032,157.80 - Step 6: Final answer
x = 2,035,595,943.30
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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.