Finding the Fourth Proportional to 1,328,795,593.83, 1,833,790,377.11 and 764,279,577.09
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Solution
The fourth proportional to 1,328,795,593.83, 1,833,790,377.11 and 764,279,577.09 is: 1,054,735,988.28
Step by Step Solution
- Step 1: Write the proportion equation
1,328,795,593.83 : 1,833,790,377.11 = 764,279,577.09 : x - Step 2: Convert to fraction form
1,328,795,593.83/1,833,790,377.11 = 764,279,577.09/x - Step 3: Cross multiply
1,328,795,593.83x = 1,833,790,377.11 × 764,279,577.09 - Step 4: Simplify right side
1,328,795,593.83x = 1,401,528,533,885,521,152 - Step 5: Solve for x
x = 1,401,528,533,885,521,152/1,328,795,593.83 - Step 6: Final answer
x = 1,054,735,988.28
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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.