Finding the Fourth Proportional to 1,915,704,054.70, 2,873,556,082.05 and 1,897,564,201.90
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Solution
The fourth proportional to 1,915,704,054.70, 2,873,556,082.05 and 1,897,564,201.90 is: 2,846,346,302.85
Step by Step Solution
- Step 1: Write the proportion equation
1,915,704,054.70 : 2,873,556,082.05 = 1,897,564,201.90 : x - Step 2: Convert to fraction form
1,915,704,054.70/2,873,556,082.05 = 1,897,564,201.90/x - Step 3: Cross multiply
1,915,704,054.70x = 2,873,556,082.05 × 1,897,564,201.90 - Step 4: Simplify right side
1,915,704,054.70x = 5,452,757,153,450,099,712 - Step 5: Solve for x
x = 5,452,757,153,450,099,712/1,915,704,054.70 - Step 6: Final answer
x = 2,846,346,302.85
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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.