Finding the Fourth Proportional to 5,778,709,817.70, 8,665,938,593.29 and 1,996,139,546.70
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Solution
The fourth proportional to 5,778,709,817.70, 8,665,938,593.29 and 1,996,139,546.70 is: 2,993,474,889.91
Step by Step Solution
- Step 1: Write the proportion equation
5,778,709,817.70 : 8,665,938,593.29 = 1,996,139,546.70 : x - Step 2: Convert to fraction form
5,778,709,817.70/8,665,938,593.29 = 1,996,139,546.70/x - Step 3: Cross multiply
5,778,709,817.70x = 8,665,938,593.29 × 1,996,139,546.70 - Step 4: Simplify right side
5,778,709,817.70x = 17,298,422,735,339,937,792 - Step 5: Solve for x
x = 17,298,422,735,339,937,792/5,778,709,817.70 - Step 6: Final answer
x = 2,993,474,889.91
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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.