Finding the Fourth Proportional to 2,558,264,756.22, 3,837,762,669.51 and 787,785,029.82
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Solution
The fourth proportional to 2,558,264,756.22, 3,837,762,669.51 and 787,785,029.82 is: 1,181,790,106.63
Step by Step Solution
- Step 1: Write the proportion equation
2,558,264,756.22 : 3,837,762,669.51 = 787,785,029.82 : x - Step 2: Convert to fraction form
2,558,264,756.22/3,837,762,669.51 = 787,785,029.82/x - Step 3: Cross multiply
2,558,264,756.22x = 3,837,762,669.51 × 787,785,029.82 - Step 4: Simplify right side
2,558,264,756.22x = 3,023,331,979,042,018,304 - Step 5: Solve for x
x = 3,023,331,979,042,018,304/2,558,264,756.22 - Step 6: Final answer
x = 1,181,790,106.63
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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.