Finding the Fourth Proportional to 1,889,571,892.70, 2,834,357,839.05 and 1,699,103,438.30
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Solution
The fourth proportional to 1,889,571,892.70, 2,834,357,839.05 and 1,699,103,438.30 is: 2,548,655,157.45
Step by Step Solution
- Step 1: Write the proportion equation
1,889,571,892.70 : 2,834,357,839.05 = 1,699,103,438.30 : x - Step 2: Convert to fraction form
1,889,571,892.70/2,834,357,839.05 = 1,699,103,438.30/x - Step 3: Cross multiply
1,889,571,892.70x = 2,834,357,839.05 × 1,699,103,438.30 - Step 4: Simplify right side
1,889,571,892.70x = 4,815,867,149,702,413,312 - Step 5: Solve for x
x = 4,815,867,149,702,413,312/1,889,571,892.70 - Step 6: Final answer
x = 2,548,655,157.45
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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.