Finding the Fourth Proportional to 1,811,443,811.20, 2,717,165,716.80 and 1,593,340,424.80
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Solution
The fourth proportional to 1,811,443,811.20, 2,717,165,716.80 and 1,593,340,424.80 is: 2,390,010,637.20
Step by Step Solution
- Step 1: Write the proportion equation
1,811,443,811.20 : 2,717,165,716.80 = 1,593,340,424.80 : x - Step 2: Convert to fraction form
1,811,443,811.20/2,717,165,716.80 = 1,593,340,424.80/x - Step 3: Cross multiply
1,811,443,811.20x = 2,717,165,716.80 × 1,593,340,424.80 - Step 4: Simplify right side
1,811,443,811.20x = 4,329,369,977,458,108,416 - Step 5: Solve for x
x = 4,329,369,977,458,108,416/1,811,443,811.20 - Step 6: Final answer
x = 2,390,010,637.20
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1.5x scale
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.