Finding the Fourth Proportional to 1,919,965,125.12, 2,649,766,900.50 and 1,084,643,504.12
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Solution
The fourth proportional to 1,919,965,125.12, 2,649,766,900.50 and 1,084,643,504.12 is: 1,496,929,511.09
Step by Step Solution
- Step 1: Write the proportion equation
1,919,965,125.12 : 2,649,766,900.50 = 1,084,643,504.12 : x - Step 2: Convert to fraction form
1,919,965,125.12/2,649,766,900.50 = 1,084,643,504.12/x - Step 3: Cross multiply
1,919,965,125.12x = 2,649,766,900.50 × 1,084,643,504.12 - Step 4: Simplify right side
1,919,965,125.12x = 2,874,052,456,046,262,784 - Step 5: Solve for x
x = 2,874,052,456,046,262,784/1,919,965,125.12 - Step 6: Final answer
x = 1,496,929,511.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.