Finding the Fourth Proportional to 1,881,128,993.08, 2,593,548,186 and 1,540,783,656.24
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Solution
The fourth proportional to 1,881,128,993.08, 2,593,548,186 and 1,540,783,656.24 is: 2,124,307,621.31
Step by Step Solution
- Step 1: Write the proportion equation
1,881,128,993.08 : 2,593,548,186 = 1,540,783,656.24 : x - Step 2: Convert to fraction form
1,881,128,993.08/2,593,548,186 = 1,540,783,656.24/x - Step 3: Cross multiply
1,881,128,993.08x = 2,593,548,186 × 1,540,783,656.24 - Step 4: Simplify right side
1,881,128,993.08x = 3,996,096,656,659,699,712 - Step 5: Solve for x
x = 3,996,096,656,659,699,712/1,881,128,993.08 - Step 6: Final answer
x = 2,124,307,621.31
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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.