Finding the Fourth Proportional to 2,740,670,980.72, 3,782,028,095.99 and 1,551,214,411.44
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Solution
The fourth proportional to 2,740,670,980.72, 3,782,028,095.99 and 1,551,214,411.44 is: 2,140,620,500.68
Step by Step Solution
- Step 1: Write the proportion equation
2,740,670,980.72 : 3,782,028,095.99 = 1,551,214,411.44 : x - Step 2: Convert to fraction form
2,740,670,980.72/3,782,028,095.99 = 1,551,214,411.44/x - Step 3: Cross multiply
2,740,670,980.72x = 3,782,028,095.99 × 1,551,214,411.44 - Step 4: Simplify right side
2,740,670,980.72x = 5,866,736,486,954,283,008 - Step 5: Solve for x
x = 5,866,736,486,954,283,008/2,740,670,980.72 - Step 6: Final answer
x = 2,140,620,500.68
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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.