Finding the Fourth Proportional to 4,042,257,853.20, 6,062,819,909.40 and 1,282,165,875.60
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Solution
The fourth proportional to 4,042,257,853.20, 6,062,819,909.40 and 1,282,165,875.60 is: 1,923,069,007.48
Step by Step Solution
- Step 1: Write the proportion equation
4,042,257,853.20 : 6,062,819,909.40 = 1,282,165,875.60 : x - Step 2: Convert to fraction form
4,042,257,853.20/6,062,819,909.40 = 1,282,165,875.60/x - Step 3: Cross multiply
4,042,257,853.20x = 6,062,819,909.40 × 1,282,165,875.60 - Step 4: Simplify right side
4,042,257,853.20x = 7,773,540,797,740,962,816 - Step 5: Solve for x
x = 7,773,540,797,740,962,816/4,042,257,853.20 - Step 6: Final answer
x = 1,923,069,007.48
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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.