Finding the Fourth Proportional to 2,109,896,186.13, 3,165,135,311.99 and 1,224,998,285.89
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Solution
The fourth proportional to 2,109,896,186.13, 3,165,135,311.99 and 1,224,998,285.89 is: 1,837,666,401.45
Step by Step Solution
- Step 1: Write the proportion equation
2,109,896,186.13 : 3,165,135,311.99 = 1,224,998,285.89 : x - Step 2: Convert to fraction form
2,109,896,186.13/3,165,135,311.99 = 1,224,998,285.89/x - Step 3: Cross multiply
2,109,896,186.13x = 3,165,135,311.99 × 1,224,998,285.89 - Step 4: Simplify right side
2,109,896,186.13x = 3,877,285,331,791,535,616 - Step 5: Solve for x
x = 3,877,285,331,791,535,616/2,109,896,186.13 - Step 6: Final answer
x = 1,837,666,401.45
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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.