Finding the Fourth Proportional to 2,900,062,276.20, 4,339,889,747.10 and 2,655,174,263.40
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Solution
The fourth proportional to 2,900,062,276.20, 4,339,889,747.10 and 2,655,174,263.40 is: 3,973,419,349.32
Step by Step Solution
- Step 1: Write the proportion equation
2,900,062,276.20 : 4,339,889,747.10 = 2,655,174,263.40 : x - Step 2: Convert to fraction form
2,900,062,276.20/4,339,889,747.10 = 2,655,174,263.40/x - Step 3: Cross multiply
2,900,062,276.20x = 4,339,889,747.10 × 2,655,174,263.40 - Step 4: Simplify right side
2,900,062,276.20x = 11,523,163,562,493,456,384 - Step 5: Solve for x
x = 11,523,163,562,493,456,384/2,900,062,276.20 - Step 6: Final answer
x = 3,973,419,349.32
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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.