Finding the Fourth Proportional to 1,847,509,064.28, 2,771,677,201.86 and 620,644,054.68
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Solution
The fourth proportional to 1,847,509,064.28, 2,771,677,201.86 and 620,644,054.68 is: 931,105,026.81
Step by Step Solution
- Step 1: Write the proportion equation
1,847,509,064.28 : 2,771,677,201.86 = 620,644,054.68 : x - Step 2: Convert to fraction form
1,847,509,064.28/2,771,677,201.86 = 620,644,054.68/x - Step 3: Cross multiply
1,847,509,064.28x = 2,771,677,201.86 × 620,644,054.68 - Step 4: Simplify right side
1,847,509,064.28x = 1,720,224,976,826,507,264 - Step 5: Solve for x
x = 1,720,224,976,826,507,264/1,847,509,064.28 - Step 6: Final answer
x = 931,105,026.81
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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.