Finding the Fourth Proportional to 2,642,762,134.54, 3,645,979,545.91 and 1,513,128,176.09
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Solution
The fourth proportional to 2,642,762,134.54, 3,645,979,545.91 and 1,513,128,176.09 is: 2,087,525,891.28
Step by Step Solution
- Step 1: Write the proportion equation
2,642,762,134.54 : 3,645,979,545.91 = 1,513,128,176.09 : x - Step 2: Convert to fraction form
2,642,762,134.54/3,645,979,545.91 = 1,513,128,176.09/x - Step 3: Cross multiply
2,642,762,134.54x = 3,645,979,545.91 × 1,513,128,176.09 - Step 4: Simplify right side
2,642,762,134.54x = 5,516,834,380,338,449,408 - Step 5: Solve for x
x = 5,516,834,380,338,449,408/2,642,762,134.54 - Step 6: Final answer
x = 2,087,525,891.28
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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.