Finding the Fourth Proportional to 2,251,260,829.87, 3,106,740,239.71 and 1,247,743,184.67
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Solution
The fourth proportional to 2,251,260,829.87, 3,106,740,239.71 and 1,247,743,184.67 is: 1,721,885,758.06
Step by Step Solution
- Step 1: Write the proportion equation
2,251,260,829.87 : 3,106,740,239.71 = 1,247,743,184.67 : x - Step 2: Convert to fraction form
2,251,260,829.87/3,106,740,239.71 = 1,247,743,184.67/x - Step 3: Cross multiply
2,251,260,829.87x = 3,106,740,239.71 × 1,247,743,184.67 - Step 4: Simplify right side
2,251,260,829.87x = 3,876,413,960,635,075,584 - Step 5: Solve for x
x = 3,876,413,960,635,075,584/2,251,260,829.87 - Step 6: Final answer
x = 1,721,885,758.06
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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.