Finding the Fourth Proportional to 4,120,813,117.39, 6,183,762,129.87 and 1,909,610,676.42
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Solution
The fourth proportional to 4,120,813,117.39, 6,183,762,129.87 and 1,909,610,676.42 is: 2,865,594,203.68
Step by Step Solution
- Step 1: Write the proportion equation
4,120,813,117.39 : 6,183,762,129.87 = 1,909,610,676.42 : x - Step 2: Convert to fraction form
4,120,813,117.39/6,183,762,129.87 = 1,909,610,676.42/x - Step 3: Cross multiply
4,120,813,117.39x = 6,183,762,129.87 × 1,909,610,676.42 - Step 4: Simplify right side
4,120,813,117.39x = 11,808,578,183,631,882,240 - Step 5: Solve for x
x = 11,808,578,183,631,882,240/4,120,813,117.39 - Step 6: Final answer
x = 2,865,594,203.68
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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.