Finding the Fourth Proportional to 2,085,474,858, 3,128,615,118.36 and 792,909,845.52
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Solution
The fourth proportional to 2,085,474,858, 3,128,615,118.36 and 792,909,845.52 is: 1,189,517,927.14
Step by Step Solution
- Step 1: Write the proportion equation
2,085,474,858 : 3,128,615,118.36 = 792,909,845.52 : x - Step 2: Convert to fraction form
2,085,474,858/3,128,615,118.36 = 792,909,845.52/x - Step 3: Cross multiply
2,085,474,858x = 3,128,615,118.36 × 792,909,845.52 - Step 4: Simplify right side
2,085,474,858x = 2,480,709,730,190,364,160 - Step 5: Solve for x
x = 2,480,709,730,190,364,160/2,085,474,858 - Step 6: Final answer
x = 1,189,517,927.14
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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.