Finding the Fourth Proportional to 1,889,571,860.20, 2,834,357,790.30 and 1,699,103,405.80
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Solution
The fourth proportional to 1,889,571,860.20, 2,834,357,790.30 and 1,699,103,405.80 is: 2,548,655,108.70
Step by Step Solution
- Step 1: Write the proportion equation
1,889,571,860.20 : 2,834,357,790.30 = 1,699,103,405.80 : x - Step 2: Convert to fraction form
1,889,571,860.20/2,834,357,790.30 = 1,699,103,405.80/x - Step 3: Cross multiply
1,889,571,860.20x = 2,834,357,790.30 × 1,699,103,405.80 - Step 4: Simplify right side
1,889,571,860.20x = 4,815,866,974,754,492,416 - Step 5: Solve for x
x = 4,815,866,974,754,492,416/1,889,571,860.20 - Step 6: Final answer
x = 2,548,655,108.70
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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.