Finding the Fourth Proportional to 2,134,443,835.20, 2,944,861,040.16 and 1,194,497,129.28
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Solution
The fourth proportional to 2,134,443,835.20, 2,944,861,040.16 and 1,194,497,129.28 is: 1,648,030,274.02
Step by Step Solution
- Step 1: Write the proportion equation
2,134,443,835.20 : 2,944,861,040.16 = 1,194,497,129.28 : x - Step 2: Convert to fraction form
2,134,443,835.20/2,944,861,040.16 = 1,194,497,129.28/x - Step 3: Cross multiply
2,134,443,835.20x = 2,944,861,040.16 × 1,194,497,129.28 - Step 4: Simplify right side
2,134,443,835.20x = 3,517,628,058,599,634,432 - Step 5: Solve for x
x = 3,517,628,058,599,634,432/2,134,443,835.20 - Step 6: Final answer
x = 1,648,030,274.02
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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.