Finding the Fourth Proportional to 2,142,582,013.84, 2,956,751,296.14 and 1,202,784,407.32
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Solution
The fourth proportional to 2,142,582,013.84, 2,956,751,296.14 and 1,202,784,407.32 is: 1,659,835,811.35
Step by Step Solution
- Step 1: Write the proportion equation
2,142,582,013.84 : 2,956,751,296.14 = 1,202,784,407.32 : x - Step 2: Convert to fraction form
2,142,582,013.84/2,956,751,296.14 = 1,202,784,407.32/x - Step 3: Cross multiply
2,142,582,013.84x = 2,956,751,296.14 × 1,202,784,407.32 - Step 4: Simplify right side
2,142,582,013.84x = 3,556,334,355,320,391,168 - Step 5: Solve for x
x = 3,556,334,355,320,391,168/2,142,582,013.84 - Step 6: Final answer
x = 1,659,835,811.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.