Finding the Fourth Proportional to 1,811,443,812.20, 2,717,165,718.30 and 1,593,340,425.80
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Solution
The fourth proportional to 1,811,443,812.20, 2,717,165,718.30 and 1,593,340,425.80 is: 2,390,010,638.70
Step by Step Solution
- Step 1: Write the proportion equation
1,811,443,812.20 : 2,717,165,718.30 = 1,593,340,425.80 : x - Step 2: Convert to fraction form
1,811,443,812.20/2,717,165,718.30 = 1,593,340,425.80/x - Step 3: Cross multiply
1,811,443,812.20x = 2,717,165,718.30 × 1,593,340,425.80 - Step 4: Simplify right side
1,811,443,812.20x = 4,329,369,982,565,284,864 - Step 5: Solve for x
x = 4,329,369,982,565,284,864/1,811,443,812.20 - Step 6: Final answer
x = 2,390,010,638.70
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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.