Finding the Fourth Proportional to 3,834,184,731.12, 5,290,771,846.82 and 2,226,325,430.70
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Solution
The fourth proportional to 3,834,184,731.12, 5,290,771,846.82 and 2,226,325,430.70 is: 3,072,095,044.09
Step by Step Solution
- Step 1: Write the proportion equation
3,834,184,731.12 : 5,290,771,846.82 = 2,226,325,430.70 : x - Step 2: Convert to fraction form
3,834,184,731.12/5,290,771,846.82 = 2,226,325,430.70/x - Step 3: Cross multiply
3,834,184,731.12x = 5,290,771,846.82 × 2,226,325,430.70 - Step 4: Simplify right side
3,834,184,731.12x = 11,778,979,910,595,837,952 - Step 5: Solve for x
x = 11,778,979,910,595,837,952/3,834,184,731.12 - Step 6: Final answer
x = 3,072,095,044.09
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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.